ESPN
    • NFL
    • NBA
    • MLB
    • NHL
    • Soccer
    • WNBA
    • WWE
    • More Sports
    • Watch ESPN
      Watch
    • ESPN Fantasy
      Fantasy
    • Where to Watch
    • Search

    Kansas City Royals @ Seattle Mariners

    KC
    Kansas City RoyalsRoyalsKC
    14-19, 5-12 Away
    SEA -122
    SEA
    Seattle MarinersMarinersSEA
    16-18, 10-9 Home
    • Gamecast
    • Preview
    • Odds
    • TicketsExternal Link

    Game Odds
    Odds by

    2026-05-03T20:10ZOpenMLTotalRL
    Kansas City RoyalsRoyalsKC
    (14-19)
    (14-19, 5-12 Away)
    (14-19)
    Kris Bubic
    (2-1, 3.74)
    +109
    ML
    +102
    o8
    -108
    -1.5
    +158
    Seattle MarinersMarinersSEA
    (16-18)
    (16-18, 10-9 Away)
    (16-18)
    Luis Castillo
    (0-2, 6.35)
    u8
    -112
    -122
    u8
    -112
    +1.5
    -193
    See More Odds

    Recent Schedule

    DATEOPPRESULTSPREADTOTAL
    5/02@SEAW3-2+1.58.0
    5/01@SEAW7-6+1.57.0
    4/30@ATHL6-3-1.59.0
    4/29@ATHL5-2-1.59.5
    4/28@ATHW4-1-1.59.5

    Betting 101

    The Beginner's Guide to BettingReady to enter the world of sports betting? Here's everything you need to know to get started.

    Matchup Predictor

    Kansas City Royals
    Seattle Mariners
    49.9
    %
    50.1
    %

    According to ESPN Analytics

    Bobby Witt Jr.
    KC SS
    Maikel Garcia
    KC 3B
    Julio Rodriguez
    SEA CF
    Salvador Perez
    KC C
    Josh Naylor
    SEA 1B
    Vinnie Pasquantino
    KC 1B
    Cole Young
    SEA 2B
    Carter Jensen
    KC C
    o1.5
    +177
    u1.5
    -240
    o0.5
    -260
    u0.5
    +191
    o0.5
    -255
    u0.5
    +188
    o0.5
    -216
    u0.5
    +160
    o0.5
    -211
    u0.5
    +157
    o0.5
    -203
    u0.5
    +151
    o0.5
    -171
    u0.5
    +129
    o0.5
    -170
    u0.5
    +127
    See More Odds
    Maikel Garcia
    KC 3B
    Bobby Witt Jr.
    KC SS
    Josh Naylor
    SEA 1B
    Julio Rodriguez
    SEA CF
    Salvador Perez
    KC C
    Vinnie Pasquantino
    KC 1B
    J.P. Crawford
    SEA SS
    Cole Young
    SEA 2B
    o0.5
    -149
    u0.5
    +108
    o0.5
    -146
    u0.5
    +106
    o0.5
    -121
    u0.5
    -114
    o0.5
    -120
    u0.5
    -114
    o0.5
    -105
    u0.5
    -132
    o0.5
    +101
    u0.5
    -140
    o0.5
    +104
    u0.5
    -143
    o0.5
    +113
    u0.5
    -157
    See More Odds
    Kris Bubic
    KC SP
    Luis Castillo
    SEA SP
    o5.5
    +101
    u5.5
    -129
    o4.5
    -127
    u4.5
    +100
    See More Odds
    Seattle Mariners
    16-18
    Kansas City Royals
    14-19
    o3.5
    -130
    u3.5
    +100
    o3.5
    -125
    u3.5
    -105
    See More Odds

    Injury Report

    Kansas City Royals
    Name, PosStatus
    Bailey Falter
    RP
    15-Day IL
    Stephen Kolek
    SP
    15-Day IL
    Carlos Estevez
    RP
    15-Day IL
    James McArthur
    RP
    60-Day IL
    Tyson Guerrero
    RP
    60-Day IL
    Seattle Mariners
    Name, PosStatus
    Cal Raleigh
    C
    Day-To-Day
    Rob Refsnyder
    RF
    Day-To-Day
    Brendan Donovan
    3B
    10-Day IL
    Patrick Wisdom
    1B
    10-Day IL
    Victor Robles
    RF
    10-Day IL
    Full Injury Report
    Top Betting Headlines
    • NCAA reveals Fordham point-shaving plot details
    • Key figure in hoops gambling plot to plead guilty
    • Jones 1st to plead guilty in NBA gambling case
    • Feds planning to file new charges against Rozier
    • Sources: NCAA eyes star QB Sorsby for gambling
    • Love favored for ROY, followed by Tate, Mendoza
    • Bettors split on Bailey, Reese as No. 2 overall pick
    • OKC remains title betting fave; Spurs, C's follow
    • Avs favored, but Sabres storyline tempts bettors
    • Jones guilty plea expected in NBA gambling case
    ESPN
    • Terms of Use
    • Privacy Policy
    • Your US State Privacy Rights
    • Children's Online Privacy Policy
    • Interest-Based Ads
    • About Nielsen Measurement
    • Your Privacy Choices
    • Contact Us
    • Disney Ad Sales Site
    • Work for ESPN
    • Corrections
    GAMBLING PROBLEM? CALL 1-800-GAMBLER, (800) 327-5050 or visit gamblinghelplinema.org (MA). Call 877-8-HOPENY/text HOPENY (467369) (NY). Please Gamble Responsibly. 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD). 21+ and present in most states. (18+ DC/KY/NH/WY). Void in ONT/OR/NH. Eligibility restrictions apply. On behalf of Boot Hill Casino & Resort (KS). Terms: sportsbook.draftkings.com/promos.
    Copyright: © 2026 ESPN Enterprises, LLC. All rights reserved.