| Free Agents | ||||||||
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Matt Adams | 1B | 37 | Signed | Cardinals | Nationals | 1 | NR | $3,000,000 |
| Cody Allen | RP | 37 | Signed | Indians | Angels | 1 | 48 | $8,500,000 |
| Abraham Almonte | OF | 36 | Signed | Royals | Diamondbacks | NR | Minor Lg | |
| Pedro Alvarez | 1B | 39 | Signed | Orioles | Marlins | NR | Minor Lg | |
| Brett Anderson | SP | 38 | Signed | Athletics | Athletics | 1 | NR | $1,500,000 |
| Luis Avilan | RP | 36 | Signed | Phillies | Mets | NR | Minor Lg | |
| John Axford | RP | 43 | Signed | Dodgers | Blue Jays | NR | Minor Lg | |
| Tony Barnette | RP | 42 | Signed | Rangers | Cubs | 1 | NR | $750,000 |
| Anthony Bass | RP | 38 | Signed | Cubs | Reds | NR | Minor Lg | |
| Jose Bautista | RF | 45 | FA | Phillies | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Gordon Beckham | SS | 39 | Signed | Mariners | Tigers | NR | Minor Lg | |
| Tim Beckham | SS | 36 | Signed | Orioles | Mariners | 1 | NR | $1,750,000 |
| Matt Belisle | RP | 45 | FA | Twins | -- | NR | -- | |
| Adrian Beltre | 3B | 47 | Retired | Rangers | -- | NR | -- | |
| Joaquin Benoit | RP | 48 | FA | Nationals | -- | NR | -- | |
| Gregor Blanco | LF | 42 | Signed | Giants | Mets | NR | Minor Lg | |
| Jerry Blevins | RP | 42 | Signed | Mets | Athletics | NR | Minor Lg | |
| Justin Bour | 1B | 37 | Signed | Phillies | Angels | 1 | NR | $2,500,000 |
| Peter Bourjos | CF | 39 | Signed | Giants | Angels | NR | Minor Lg | |
| Brad Boxberger | RP | 37 | Signed | Diamondbacks | Royals | 1 | NR | $2,200,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Blaine Boyer | RP | 44 | FA | Royals | -- | NR | -- | |
| Brad Brach | RP | 40 | Signed | Braves | Cubs | 1 | NR | $3,000,000 |
| Michael Brantley | DH | 38 | Signed | Indians | Astros | 2 | 4 | $32,000,000 |
| Zack Britton | RP | 38 | Signed | Yankees | Yankees | 3 | 36 | $39,000,000 |
| Clay Buchholz | SP | 41 | Signed | Diamondbacks | Blue Jays | 1 | 39 | $3,000,000 |
| Drew Butera | C | 42 | Signed | Rockies | Phillies | NR | Minor Lg | |
| Asdrubal Cabrera | 3B | 40 | Signed | Phillies | Rangers | 1 | 29 | $3,500,000 |
| Melky Cabrera | RF | 41 | Signed | Indians | Pirates | NR | Minor Lg | |
| Trevor Cahill | SP | 38 | Signed | Athletics | Angels | 1 | NR | $9,000,000 |
| Carter Capps | RP | 35 | FA | Padres | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Xavier Cedeno | RP | 39 | Signed | Brewers | Cubs | 1 | NR | $900,000 |
| Juan Centeno | C | 36 | Signed | Rangers | Red Sox | NR | Minor Lg | |
| Jesse Chavez | RP | 42 | Signed | Cubs | Rangers | 2 | 28 | $8,000,000 |
| Robinson Chirinos | C | 41 | Signed | Rangers | Astros | 1 | NR | $5,750,000 |
| Lonnie Chisenhall | RF | 37 | Signed | Indians | Pirates | 1 | NR | $2,750,000 |
| Tyler Clippard | RP | 41 | Signed | Blue Jays | Guardians | NR | Minor Lg | |
| Tyler Cloyd | SP | 38 | Signed | Marlins | Rays | NR | Minor Lg | |
| Tim Collins | RP | 36 | Signed | Nationals | Twins | NR | Minor Lg | |
| Bartolo Colon | SP | 52 | FA | Rangers | -- | NR | -- | |
| Patrick Corbin | SP | 36 | Signed | Diamondbacks | Nationals | 6 | 3 | $140,000,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Nelson Cruz | DH | 45 | Signed | Mariners | Twins | 1 | 19 | $14,300,000 |
| Matt Davidson | 1B | 35 | Signed | White Sox | Rangers | NR | Minor Lg | |
| Rajai Davis | CF | 45 | Signed | Indians | Mets | NR | Minor Lg | |
| Jorge De La Rosa | RP | 45 | FA | Cubs | -- | NR | -- | |
| Randall Delgado | RP | 36 | Signed | Diamondbacks | White Sox | NR | Minor Lg | |
| Daniel Descalso | 3B | 39 | Signed | Diamondbacks | Cubs | 2 | NR | $5,000,000 |
| Odrisamer Despaigne | SP | 39 | Signed | Angels | Reds | NR | Minor Lg | |
| Jake Diekman | RP | 39 | Signed | Diamondbacks | Royals | 1 | NR | $2,750,000 |
| Derek Dietrich | 2B | 36 | Signed | Marlins | Reds | NR | Minor Lg | |
| Josh Donaldson | 3B | 40 | Signed | Indians | Braves | 1 | 8 | $23,000,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Brian Dozier | 2B | 38 | Signed | Dodgers | Nationals | 1 | NR | $9,000,000 |
| Lucas Duda | 1B | 40 | Signed | Braves | Twins | NR | Minor Lg | |
| Zach Duke | RP | 43 | Signed | Mariners | Reds | 1 | NR | $2,000,000 |
| A.J. Ellis | C | 45 | Retired | Padres | -- | NR | -- | |
| Nathan Eovaldi | SP | 36 | Signed | Red Sox | Red Sox | 4 | 11 | $67,500,000 |
| Alcides Escobar | SS | 39 | Signed | Royals | Orioles | NR | Minor Lg | |
| Eduardo Escobar | 3B | 37 | Signed | Diamondbacks | Diamondbacks | 3 | NR | $21,000,000 |
| Marco Estrada | SP | 42 | Signed | Blue Jays | Athletics | 1 | NR | $4,000,000 |
| Jeurys Familia | RP | 36 | Signed | Athletics | Mets | 3 | 33 | $30,000,000 |
| Tim Federowicz | C | 38 | Signed | Reds | Guardians | NR | Minor Lg | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Mike Fiers | SP | 40 | Signed | Athletics | Athletics | 2 | NR | $14,100,000 |
| Doug Fister | SP | 42 | Retired | Rangers | -- | NR | -- | |
| Ryan Flaherty | 3B | 39 | Signed | Braves | Guardians | NR | Minor Lg | |
| Wilmer Flores | 1B | 34 | Signed | Mets | Diamondbacks | 1 | NR | $4,250,000 |
| Nolan Fontana | SS | 34 | Signed | Angels | Rangers | NR | Minor Lg | |
| Logan Forsythe | 1B | 39 | Signed | Twins | Rangers | NR | Minor Lg | |
| Nick Franklin | 2B | 35 | Signed | Brewers | Pirates | NR | Minor Lg | |
| Mike Freeman | 2B | 38 | Signed | Cubs | Guardians | NR | Minor Lg | |
| David Freese | 1B | 43 | Signed | Dodgers | Dodgers | 1 | NR | $4,500,000 |
| Yovani Gallardo | SP | 40 | FA | Rangers | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Freddy Galvis | SS | 36 | Signed | Padres | Blue Jays | 1 | 50 | $5,000,000 |
| Avisail Garcia | RF | 34 | Signed | White Sox | Rays | 1 | NR | $3,500,000 |
| Jaime Garcia | SP | 39 | Retired | Cubs | -- | NR | -- | |
| Brett Gardner | CF | 42 | Signed | Yankees | Yankees | 1 | NR | $7,500,000 |
| Dustin Garneau | C | 38 | Signed | White Sox | Angels | NR | Minor Lg | |
| Evan Gattis | C | 39 | FA | Astros | -- | NR | -- | |
| Cory Gearrin | RP | 40 | Signed | Athletics | Mariners | 1 | NR | $1,400,000 |
| Craig Gentry | RF | 42 | Signed | Orioles | Giants | NR | Minor Lg | |
| Ryan Goins | 2B | 38 | Signed | Phillies | White Sox | NR | Minor Lg | |
| Carlos Gomez | RF | 40 | Signed | Rays | Mets | NR | Minor Lg | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Jeanmar Gomez | RP | 38 | Signed | White Sox | Rangers | NR | Minor Lg | |
| Adrian Gonzalez | 1B | 44 | FA | Mets | -- | NR | -- | |
| Carlos Gonzalez | RF | 40 | Signed | Rockies | Guardians | NR | Minor Lg | |
| Gio Gonzalez | SP | 40 | Signed | Brewers | Yankees | 22 | Minor Lg | |
| Marwin Gonzalez | SS | 37 | Signed | Astros | Twins | 2 | 35 | $21,000,000 |
| Miguel Gonzalez | SP | 41 | FA | White Sox | -- | NR | -- | |
| Terrance Gore | CF | 34 | Signed | Cubs | Royals | 1 | NR | $650,000 |
| Yasmani Grandal | C | 37 | Signed | Dodgers | Brewers | 1 | 10 | $18,250,000 |
| Curtis Granderson | LF | 45 | Signed | Brewers | Marlins | NR | Minor Lg | |
| Juan Graterol | C | 37 | Signed | Reds | Reds | NR | Minor Lg | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Kendall Graveman | RP | 35 | Signed | Athletics | Cubs | 1 | NR | -- |
| Justin Grimm | P | 37 | Signed | Mariners | Guardians | NR | Minor Lg | |
| Robbie Grossman | RF | 36 | Signed | Twins | Athletics | 1 | NR | $2,000,000 |
| Javy Guerra | RP | 40 | Signed | Marlins | Blue Jays | NR | Minor Lg | |
| Taylor Guerrieri | SP | 33 | Signed | Blue Jays | Rangers | NR | Minor Lg | |
| Brandon Guyer | RF | 40 | Signed | Indians | White Sox | NR | Minor Lg | |
| David Hale | RP | 38 | Signed | Yankees | Yankees | NR | Minor Lg | |
| Billy Hamilton | RF | 35 | Signed | Reds | Royals | 1 | NR | $5,250,000 |
| Jason Hammel | SP | 43 | Signed | Royals | Rangers | NR | Minor Lg | |
| J.A. Happ | SP | 43 | Signed | Yankees | Yankees | 2 | 17 | $34,000,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Bryce Harper | 1B | 33 | Signed | Nationals | Phillies | 13 | 2 | $330,000,000 |
| Josh Harrison | 3B | 38 | Signed | Pirates | Tigers | NR | -- | |
| Matt Harvey | SP | 37 | Signed | Reds | Angels | 1 | 24 | $11,000,000 |
| Chase Headley | 3B | 42 | FA | Padres | -- | NR | -- | |
| Adeiny Hechavarria | 2B | 37 | Signed | Yankees | Mets | NR | Minor Lg | |
| Jeremy Hellickson | SP | 39 | Signed | Nationals | Nationals | 1 | 46 | $1,300,000 |
| Gorkys Hernandez | CF | 38 | Signed | Giants | Red Sox | NR | Minor Lg | |
| Kelvin Herrera | RP | 36 | Signed | Nationals | White Sox | 2 | 38 | $18,000,000 |
| Chris Herrmann | C | 38 | Signed | Mariners | Athletics | 1 | NR | $1,000,000 |
| Derek Holland | P | 39 | Signed | Giants | Giants | 1 | 30 | $7,000,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Greg Holland | P | 40 | Signed | Nationals | Diamondbacks | 1 | NR | $3,250,000 |
| Matt Holliday | OF | 46 | FA | Rockies | -- | NR | -- | |
| J.J. Hoover | RP | 38 | Signed | Brewers | Nationals | NR | Minor Lg | |
| Daniel Hudson | RP | 39 | Signed | Dodgers | Angels | NR | Minor Lg | |
| Phil Hughes | RP | 39 | FA | Padres | -- | NR | -- | |
| Nick Hundley | C | 42 | Signed | Giants | Athletics | NR | Minor Lg | |
| Drew Hutchison | SP | 35 | Signed | Rangers | Yankees | NR | Minor Lg | |
| Jose Iglesias | 2B | 36 | Signed | Tigers | Reds | 20 | Minor Lg | |
| Austin Jackson | CF | 39 | FA | Mets | -- | NR | -- | |
| Edwin Jackson | SP | 42 | FA | Athletics | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Jon Jay | RF | 41 | Signed | Diamondbacks | White Sox | 1 | NR | $4,000,000 |
| Dan Jennings | RP | 39 | Signed | Brewers | Angels | NR | Minor Lg | |
| Kevin Jepsen | RP | 41 | FA | Rangers | -- | NR | -- | |
| Jim Johnson | RP | 42 | FA | Angels | -- | NR | -- | |
| Adam Jones | RF | 40 | Signed | Orioles | Diamondbacks | 1 | NR | $3,000,000 |
| Caleb Joseph | C | 39 | Signed | Orioles | Diamondbacks | 1 | NR | $1,100,000 |
| Tommy Joseph | 1B | 34 | Signed | Rangers | -- | NR | -- | |
| Matt Joyce | RF | 41 | Signed | Athletics | Guardians | NR | Minor Lg | |
| Jung Ho Kang | 3B | 39 | Signed | Pirates | Pirates | 1 | NR | $3,000,000 |
| Nate Karns | SP | 38 | Signed | Royals | Orioles | 1 | NR | $800,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Shawn Kelley | RP | 42 | Signed | Athletics | Rangers | 1 | NR | $2,750,000 |
| Joe Kelly | RP | 37 | Signed | Red Sox | Dodgers | 3 | 41 | $25,000,000 |
| Dallas Keuchel | SP | 38 | FA | Astros | -- | 5 | -- | |
| Yusei Kikuchi | SP | 34 | Signed | Japan | Mariners | 3 | 15 | $43,000,000 |
| Craig Kimbrel | RP | 37 | FA | Red Sox | -- | 40 | -- | |
| Ian Kinsler | 2B | 43 | Signed | Red Sox | Padres | 2 | 37 | $8,000,000 |
| Patrick Kivlehan | CF | 36 | Signed | Diamondbacks | Pirates | NR | Minor Lg | |
| George Kontos | RP | 40 | Signed | Yankees | Cubs | NR | Minor Lg | |
| Ian Krol | RP | 35 | Signed | Mets | Reds | NR | Minor Lg | |
| DJ LeMahieu | 2B | 37 | Signed | Rockies | Yankees | 2 | 32 | $24,000,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Adam Liberatore | RP | 38 | FA | Dodgers | -- | NR | -- | |
| Tim Lincecum | RP | 41 | FA | Rangers | -- | NR | -- | |
| Francisco Liriano | RP | 42 | Signed | Tigers | Pirates | NR | Minor Lg | |
| Jose Lobaton | C | 41 | Signed | Mets | Mariners | NR | Minor Lg | |
| Boone Logan | RP | 41 | FA | Brewers | -- | NR | -- | |
| Aaron Loup | RP | 38 | Signed | Phillies | Padres | 1 | NR | $1,400,000 |
| Jed Lowrie | DH | 42 | Signed | Athletics | Mets | 2 | 7 | $20,000,000 |
| Jonathan Lucroy | C | 39 | Signed | Athletics | Angels | 1 | NR | $3,350,000 |
| Jordan Lyles | RP | 35 | Signed | Brewers | Pirates | 1 | NR | $2,050,000 |
| Lance Lynn | SP | 38 | Signed | Yankees | Rangers | 3 | 14 | $30,000,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Tyler Lyons | RP | 38 | Signed | Cardinals | Pirates | NR | Minor Lg | |
| Manny Machado | 3B | 33 | Signed | Dodgers | Padres | 10 | 1 | $300,000,000 |
| Ryan Madson | RP | 45 | FA | Dodgers | -- | 47 | -- | |
| Martin Maldonado | C | 39 | Signed | Astros | Royals | 1 | NR | $2,500,000 |
| Nick Markakis | LF | 42 | Signed | Braves | Braves | 1 | 18 | $6,000,000 |
| Deven Marrero | 3B | 35 | Signed | Diamondbacks | Marlins | NR | Minor Lg | |
| Victor Martinez | DH | 47 | Retired | Tigers | -- | NR | -- | |
| Jeff Mathis | C | 43 | Signed | Diamondbacks | Rangers | 2 | NR | $6,250,000 |
| Joe Mauer | 1B | 43 | Retired | Twins | -- | NR | -- | |
| Bruce Maxwell | C | 35 | FA | Athletics | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Cameron Maybin | LF | 39 | Signed | Mariners | Giants | NR | Minor Lg | |
| Brian McCann | C | 42 | Signed | Astros | Braves | 1 | NR | $2,000,000 |
| James McCann | C | 35 | Signed | Tigers | White Sox | 1 | NR | $2,500,000 |
| Brandon McCarthy | SP | 42 | Retired | Braves | -- | NR | -- | |
| Andrew McCutchen | LF | 39 | Signed | Yankees | Phillies | 3 | 13 | $50,000,000 |
| Jordy Mercer | SS | 39 | Signed | Pirates | Tigers | 1 | NR | $5,250,000 |
| Devin Mesoraco | C | 37 | Signed | Mets | Mets | NR | Minor Lg | |
| Wade Miley | SP | 39 | Signed | Brewers | Astros | 1 | 23 | $4,500,000 |
| Andrew Miller | RP | 40 | Signed | Indians | Cardinals | 2 | 43 | $25,000,000 |
| Brad Miller | DH | 36 | FA | Brewers | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Shelby Miller | RP | 35 | Signed | Diamondbacks | Rangers | 1 | NR | $2,000,000 |
| Tommy Milone | SP | 39 | Signed | Nationals | Mariners | NR | Minor Lg | |
| Ariel Miranda | SP | 37 | Signed | Mariners | Japan | NR | -- | |
| Miguel Montero | C | 42 | FA | Nationals | -- | NR | -- | |
| Matt Moore | RP | 36 | Signed | Rangers | Tigers | 1 | NR | $2,500,000 |
| Mike Morin | RP | 35 | Signed | Mariners | Twins | NR | Minor Lg | |
| Logan Morrison | 1B | 38 | FA | Twins | -- | NR | -- | |
| Charlie Morton | SP | 42 | Signed | Astros | Rays | 2 | 9 | $30,000,000 |
| Mike Moustakas | 1B | 37 | Signed | Brewers | Brewers | 1 | 25 | $10,000,000 |
| Peter Moylan | RP | 47 | Retired | Braves | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Daniel Murphy | 1B | 41 | Signed | Cubs | Rockies | 2 | NR | $24,000,000 |
| Bud Norris | RP | 41 | Signed | Cardinals | Blue Jays | NR | Minor Lg | |
| Vidal Nuno | RP | 38 | Signed | Rays | Nationals | NR | Minor Lg | |
| Adam Ottavino | RP | 40 | Signed | Rockies | Yankees | 3 | 31 | $27,000,000 |
| Chris Owings | SS | 34 | Signed | Diamondbacks | Royals | 1 | NR | $3,000,000 |
| Edward Paredes | RP | 39 | Signed | Dodgers | Phillies | NR | Minor Lg | |
| Blake Parker | RP | 40 | Signed | Angels | Twins | 1 | NR | $1,800,000 |
| Gerardo Parra | CF | 39 | Signed | Rockies | Giants | NR | Minor Lg | |
| Steve Pearce | 1B | 43 | Signed | Red Sox | Red Sox | 1 | 49 | $6,500,000 |
| Hunter Pence | RF | 43 | Signed | Giants | Rangers | NR | Minor Lg | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Martin Perez | SP | 35 | Signed | Rangers | Twins | 1 | 44 | $3,500,000 |
| Oliver Perez | RP | 44 | Signed | Indians | Guardians | 1 | NR | $2,500,000 |
| Gregorio Petit | SS | 41 | Signed | Twins | Phillies | NR | Minor Lg | |
| Jake Petricka | RP | 37 | Signed | Blue Jays | Brewers | NR | Minor Lg | |
| David Phelps | RP | 39 | Signed | Mariners | Blue Jays | 1 | NR | $2,500,000 |
| Brandon Phillips | 2B | 44 | FA | Red Sox | -- | NR | -- | |
| Trevor Plouffe | 3B | 39 | Signed | Phillies | Phillies | NR | Minor Lg | |
| AJ Pollock | OF | 38 | Signed | Diamondbacks | Dodgers | 5 | 6 | $60,000,000 |
| Drew Pomeranz | RP | 37 | Signed | Red Sox | Giants | 1 | 42 | $1,500,000 |
| Kevin Quackenbush | RP | 37 | Signed | Reds | Dodgers | NR | Minor Lg | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Hanley Ramirez | SS | 42 | FA | Indians | -- | NR | -- | |
| AJ Ramos | RP | 39 | FA | Mets | -- | NR | -- | |
| Wilson Ramos | C | 38 | Signed | Phillies | Mets | 2 | 16 | $19,000,000 |
| Jose Reyes | SS | 42 | FA | Mets | -- | NR | -- | |
| Mark Reynolds | 1B | 42 | Signed | Nationals | Rockies | NR | Minor Lg | |
| Garrett Richards | RP | 37 | Signed | Angels | Padres | 2 | NR | $15,500,000 |
| Rene Rivera | C | 42 | Signed | Braves | Giants | NR | Minor Lg | |
| David Robertson | RP | 41 | Signed | Yankees | Phillies | 2 | 34 | $23,000,000 |
| Sean Rodriguez | 3B | 41 | Signed | Pirates | Phillies | NR | Minor Lg | |
| Enny Romero | RP | 35 | Signed | Royals | Japan | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Andrew Romine | SS | 40 | Signed | Mariners | Phillies | NR | Minor Lg | |
| Sergio Romo | RP | 43 | Signed | Rays | Marlins | 1 | NR | $1,250,000 |
| Bruce Rondon | RP | 35 | FA | White Sox | -- | NR | -- | |
| Hector Rondon | RP | 38 | FA | Astros | -- | NR | -- | |
| Adam Rosales | SS | 42 | Signed | Indians | Twins | NR | Minor Lg | |
| Trevor Rosenthal | RP | 35 | Signed | -- | Nationals | 1 | NR | $7,000,000 |
| Tyson Ross | SP | 39 | Signed | Cardinals | Tigers | 1 | 45 | $5,750,000 |
| Zac Rosscup | RP | 37 | Signed | Dodgers | Mariners | 1 | NR | -- |
| Ryan Rua | LF | 36 | FA | Rangers | -- | NR | -- | |
| Drew Rucinski | SP | 37 | Signed | Marlins | Japan | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Hyun Jin Ryu | SP | 39 | Signed | Dodgers | Dodgers | 1 | 12 | $17,900,000 |
| Marc Rzepczynski | RP | 40 | Signed | Mariners | Diamondbacks | NR | Minor Lg | |
| CC Sabathia | SP | 45 | Signed | Yankees | Yankees | 1 | 27 | $8,000,000 |
| Jarrod Saltalamacchia | C | 41 | Retired | Tigers | -- | NR | -- | |
| Anibal Sanchez | SP | 42 | Signed | Braves | Nationals | 2 | 21 | $19,000,000 |
| Danny Santana | 1B | 35 | Signed | Braves | Rangers | NR | Minor Lg | |
| Ervin Santana | SP | 43 | Signed | Twins | White Sox | NR | Minor Lg | |
| Hector Santiago | RP | 38 | Signed | White Sox | Mets | NR | Minor Lg | |
| Luis Santos | RP | 35 | Signed | Blue Jays | Rays | NR | Minor Lg | |
| Luis Sardinas | SS | 32 | Signed | Orioles | Nationals | NR | Minor Lg | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Ryan Schimpf | 2B | 38 | FA | Angels | -- | NR | -- | |
| Jonathan Schoop | 2B | 34 | Signed | Brewers | Twins | 1 | NR | $7,500,000 |
| A.J. Schugel | RP | 36 | FA | Pirates | -- | NR | -- | |
| Rob Segedin | 3B | 37 | FA | Dodgers | -- | NR | -- | |
| Kevin Shackelford | RP | 37 | Signed | Reds | Reds | NR | Minor Lg | |
| James Shields | SP | 44 | FA | White Sox | -- | NR | -- | |
| Matt Shoemaker | SP | 39 | Signed | Angels | Blue Jays | 1 | NR | $3,500,000 |
| JB Shuck | LF | 38 | Signed | Marlins | Pirates | NR | Minor Lg | |
| Tony Sipp | RP | 42 | Signed | Astros | Nationals | 1 | NR | $1,250,000 |
| Burch Smith | RP | 36 | Signed | Royals | Brewers | NR | Minor Lg | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Carson Smith | RP | 36 | Signed | Red Sox | Red Sox | NR | Minor Lg | |
| Justin Smoak | 1B | 39 | Option Picked Up | Blue Jays | Blue Jays | 26 | -- | |
| Jake Smolinski | CF | 37 | Signed | Athletics | Rays | NR | Minor Lg | |
| Eric Sogard | 3B | 39 | Signed | Brewers | Blue Jays | NR | Minor Lg | |
| Yangervis Solarte | 3B | 38 | Signed | Blue Jays | Giants | NR | Minor Lg | |
| Joakim Soria | RP | 41 | Signed | Brewers | Athletics | 2 | NR | $15,000,000 |
| Denard Span | LF | 42 | FA | Mariners | -- | NR | -- | |
| Chris Stewart | C | 44 | Signed | Diamondbacks | Padres | NR | Minor Lg | |
| Stephen Strasburg | SP | 37 | FA | -- | -- | NR | -- | |
| Hunter Strickland | RP | 37 | Signed | Giants | Mariners | 1 | NR | $1,300,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Albert Suarez | RP | 36 | Signed | Diamondbacks | Japan | NR | -- | |
| Jesus Sucre | C | 38 | Signed | Rays | Orioles | 1 | NR | $850,000 |
| Kurt Suzuki | C | 42 | Signed | Braves | Nationals | 2 | NR | $10,000,000 |
| Matt Szczur | CF | 36 | Signed | Padres | Diamondbacks | NR | Minor Lg | |
| Junichi Tazawa | RP | 39 | Signed | Angels | Cubs | NR | Minor Lg | |
| Josh Tomlin | RP | 41 | Signed | Indians | Brewers | NR | Minor Lg | |
| Kelby Tomlinson | 3B | 35 | Signed | Giants | Diamondbacks | NR | Minor Lg | |
| Carlos Torres | RP | 43 | Signed | Nationals | Padres | NR | Minor Lg | |
| Ronald Torreyes | 2B | 33 | Signed | Cubs | Twins | 1 | NR | $800,000 |
| Troy Tulowitzki | SS | 41 | Signed | Blue Jays | Yankees | 1 | NR | $555,000 |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Danny Valencia | 3B | 41 | FA | Orioles | -- | NR | -- | |
| Pat Venditte | RP | 40 | Signed | Dodgers | Giants | 1 | NR | $585,000 |
| Jonny Venters | RP | 41 | FA | Nationals | -- | NR | -- | |
| Christian Villanueva | 3B | 34 | Signed | Padres | Japan | NR | -- | |
| Stephen Vogt | DH | 41 | Signed | Brewers | Giants | NR | Minor Lg | |
| Chris Volstad | RP | 39 | FA | White Sox | -- | NR | -- | |
| Michael Wacha | SP | 34 | FA | Cardinals | -- | NR | -- | |
| Neil Walker | 1B | 40 | Signed | Yankees | Marlins | 1 | NR | $2,000,000 |
| Adam Warren | RP | 38 | Signed | Mariners | Padres | 1 | NR | $2,500,000 |
| Chase Whitley | RP | 36 | FA | Braves | -- | NR | -- | |
| PLAYER | POS | AGE | STATUS | 2018 TEAM | NEW TEAM | YRS | RK | DOLLARS |
| Matt Wieters | C | 39 | Signed | Nationals | Cardinals | NR | Minor Lg | |
| Alex Wilson | RP | 39 | Signed | Tigers | Guardians | NR | Minor Lg | |
| Bobby Wilson | C | 43 | Signed | Cubs | Tigers | NR | Minor Lg | |
| Justin Wilson | RP | 38 | Signed | Cubs | Mets | 2 | NR | $10,000,000 |
| Blake Wood | RP | 40 | FA | Angels | -- | NR | -- | |
| Chris Young | CF | 42 | FA | Angels | -- | NR | -- | |
| Eric Young Jr. | LF | 40 | Signed | Angels | Orioles | NR | Minor Lg | |