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    Kansas City Royals
    Ronald Bolanos

    RonaldBolanos

    Kansas City Royals
    • Kansas City Royals
    • #57
    • Relief Pitcher
    • HT/WT
      6' 3", 220 lbs
    • Birthdate
      8/23/1996 (29)
    • BAT/THR
      Right/Right
    • Birthplace
      Havana, Cuba
    • Status
      Minors

    2022 season stats

    • SV
      0
      150+
    • ERA
      4.42
    • K
      12
      150+
    • WHIP
      1.75
    • Overview
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    SV

    • 0

    K

    • 12

    ERA

    • 4.42

    WHIP

    • 1.75

    Career Pitching

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    Stats
    Career
    GPGSCGSHOIPHRERHRBBK
    1850048.049302872943

    Recent Games

    See All
    DateOPPResultGSCGSHOIPHRERHRBBK
    Fri 6/3vsHOUHOU
    L
    10-3
    0000.1333021
    Sun 5/29@MINMIN
    L
    7-3
    0002.0211000
    Thu 5/19vsCHWCHW
    L
    7-4
    0003.0311002
    Sat 5/14@COLCOL
    L
    10-4
    0004.0211124
    Mon 5/9@BALBAL
    L
    6-1
    0002.0200011
    Latest News
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    Racing Positions

      • Schwarber back in Phillies' lineup after illness
        • 32m
        Schwarber back in Phillies' lineup after illness
        • Mariners reinstate OF Robles from IL, option Joe
          • 2h
          Mariners reinstate OF Robles from IL, option Joe
          • M's minor leaguer Zerpa suspended 80 games
            • 2h
            Minor League Baseball
            • Yanks activate Caballero; Volpe to get reps at 2B
              • 15m
              Jose Caballero
              • Reds slugger Suárez activated from 10-day IL
                • 3h
                Reds slugger Suárez activated from 10-day IL
                • Fantasy baseball lineup advice for Saturday: Ginn makes first start since no-hit bid
                  • 4h
                  • ESPN Fantasy
                  Fantasy baseball lineup advice for Saturday: Ginn makes first start since no-hit bid
                  • BoSox's Story undergoes sports hernia surgery
                    • 3h
                    BoSox's Story undergoes sports hernia surgery
                    • Cubs place Shaw (back) on IL, call up Ramirez
                      • 5h
                      • Jesse Rogers
                      Cubs place Shaw (back) on IL, call up Ramirez
                      • Fantasy baseball: Gerrit Cole makes first start since 2024 in Tommy John return
                        • 5h
                        • ESPN Fantasy
                        Fantasy baseball: Gerrit Cole makes first start since 2024 in Tommy John return
                        • Reliever depth chart: Who's closing, who's tired and who's next?
                          • 6h
                          • Fantasy Staff
                          Kenley Jansen #74 of the Detroit Tigers poses for a photo.

                        MLB News

                        Astros extend Cubs' skid to 6 with 4-2 victory

                        Astros extend Cubs' skid to 6 with 4-2 victory

                        — Christian Vazquez homered, Spencer Arrighetti threw five scoreless innings and the Houston Astros topped the scuffling Chicago Cubs 4-2 on Friday.
                        Kyle Schwarber back in Phillies lineup after 3-game absence

                        Kyle Schwarber back in Phillies lineup after 3-game absence

                        After sitting out the last three games with a gastrointestinal illness, Phillies slugger Kyle Schwarber was back at designated hitter and batting second in Friday's game against Cleveland.
                        Mariners reinstate Victor Robles from 10-day IL, option Connor Joe

                        Mariners reinstate Victor Robles from 10-day IL, option Connor Joe

                        The Seattle Mariners have reinstated outfielder Victor Robles from the 10-day injured list and optioned utilityman Connor Joe to Triple-A Tacoma.
                        Astros open up the series with a 4-2 win over the Cubs

                        Astros open up the series with a 4-2 win over the Cubs

                        Astros open up the series with a 4-2 win over the Cubs
                        Mariners minor leaguer Jose Zerpa suspended 80 games for drug violation

                        Mariners minor leaguer Jose Zerpa suspended 80 games for drug violation

                        Mariners pitcher Jose Zerpa was suspended for 80 games Friday following a positive test for the performance-enhancing substance Stanozolol under baseball's minor league drug program.
                        Yankees' Jose Caballero (broken finger) back at SS after IL stint

                        Yankees' Jose Caballero (broken finger) back at SS after IL stint

                        José Caballero was activated by the Yankees and returned to shortstop for Friday's series opener against the Rays after spending time on the 10-day IL with a broken right finger.
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