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

    RonaldBolanos

    Kansas City Royals
    • Kansas City Royals
    • #57
    • Relief Pitcher
    • HT/WT
      6' 3", 220 lbs
    • Birthdate
      8/23/1996 (30)
    • 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
    • News
    • Stats
    • Bio
    • Splits
    • Game Log

    Switch Player

    • Ryan Bergert
      Ryan Bergert
      #38
    • Noah Cameron
      Noah Cameron
      #65
    • Randy Dobnak
      Randy Dobnak
      #62
    • Carlos Duran
      Carlos Duran
      #45
    • Tony Gonsolin
      Tony Gonsolin
      #36
    • Ben Kudrna
      Ben Kudrna
      #59
    • Seth Lugo
      Seth Lugo
      #67
    • Michael Wacha
      Michael Wacha
      #52
    • Steven Zobac
      Steven Zobac
      #63
    • Spencer Bivens
      Spencer Bivens
      #76
    • Mason Black
      Mason Black
      #47
    • Jose Cuas
      Jose Cuas
      #74
    • Lucas Erceg
      Lucas Erceg
      #60
    • Anthony Gose
      Anthony Gose
      #34
    • Nolan Hoffman
      Nolan Hoffman
      #35
    • Craig Kimbrel
      Craig Kimbrel
      #26
    • Alex Lange
      Alex Lange
      #56
    • Daniel Lynch IV
      Daniel Lynch IV
      #41
    • James McArthur
      James McArthur
      #66
    • Easton McGee
      Easton McGee
      #51
    • Nate Pearson
      Nate Pearson
      #61
    • Mitch Spence
      Mitch Spence
      #54
    • Connor Thomas
      Connor Thomas
      #50
    • Beck Way
      Beck Way
      #44
    Full Roster

    MLB Quick Links

    Scores
    Standings
    Schedule

    Previous Game

    Full Splits
    Cleveland Guardians logo
    Guardians
    85-77
    2
    Kansas City Royals logo
    Royals
    69-93
    3Winner Icon Kansas City Royals

    SV

    • 0

    K

    • 12

    ERA

    • 4.42

    WHIP

    • 1.75

    Career Pitching

    See All
    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
    See All

    Racing Positions

      • Every team's odds to win the 2026 World Series: Dodgers still favorites as ALDS and NLDS begin
        • 5h
        • Doug Greenberg
        Every team's odds to win the 2026 World Series: Dodgers still favorites as ALDS and NLDS begin
        • Is this finally Milwaukee's year? Examining why Brewers' way will (or won't) work in playoffs
          • 5h
          • Bradford Doolittle
          Is this finally Milwaukee's year? Examining why Brewers' way will (or won't) work in playoffs
          • MLB divisional round: The odds for every game in each series
            • 5h
            • ESPN
            Chandler Simpson #14 of the Tampa Bay Rays celebrates knocking in Junior Caminero #13 of the Tampa Bay Rays during the first inning.
            • Brewers escape as Padres' potential go-ahead HR hits roof, falls for out
              • 4h
              • Jesse Rogers
              Brewers escape as Padres' potential go-ahead HR hits roof, falls for out
              • MLB suspends two minor leaguers for violations
                • 12h
                Baseball seams
                • 2026 MLB division series Day 1: Takeaways, analysis from every game
                  • 5h
                  • ESPN
                  2026 MLB division series Day 1: Takeaways, analysis from every game
                  • Rasmussen sweeps Yankees' lefties aside in near-perfect Game 1
                    • 11h
                    • Jorge Castillo
                    Rasmussen sweeps Yankees' lefties aside in near-perfect Game 1
                    • 2026 MLB playoffs: Schedule, postseason bracket, standings
                      • 15h
                      • ESPN
                      2026 MLB playoffs: Schedule, postseason bracket, standings
                      • Skubal 'as advertised' in brilliant opener, stakes Dodgers to 1-0 NLDS lead
                        • 13h
                        • Alden Gonzalez
                        Skubal 'as advertised' in brilliant opener, stakes Dodgers to 1-0 NLDS lead
                        • White Sox shut down Guardians to win Game 1 of ALDS
                          • 16h
                          White Sox shut down Guardians to win Game 1 of ALDS

                        MLB News

                        Brewers edge Padres 3-2 in NLDS opener that features bizarre play in 9th inning

                        Brewers edge Padres 3-2 in NLDS opener that features bizarre play in 9th inning

                        — William Contreras hit a tiebreaking homer in the seventh inning and the Milwaukee Brewers hung on to beat San Diego 3-2 in their NL Division Series opener Saturday night after a potential...
                        Rasmussen has no-hit bid for 7 2/3 innings, Rays open AL Division Series with a 1-0 win over Yanks

                        Rasmussen has no-hit bid for 7 2/3 innings, Rays open AL Division Series with a 1-0 win over Yanks

                        — Drew Rasmussen walked into the interview room while manager Kevin Cash was showering him with praise.
                        Every team's odds to win the World Series: Dodgers still favorites as ALDS and NLDS begin

                        Every team's odds to win the World Series: Dodgers still favorites as ALDS and NLDS begin

                        Every MLB team's odds to win the 2026 World Series as the playoffs begin.
                        MLB playoffs 2026: Is this the Milwaukee Brewers' year?

                        MLB playoffs 2026: Is this the Milwaukee Brewers' year?

                        The Brew Crew dominated the regular season. But will the lack of power that has doomed Milwaukee before dash its World Series dreams?
                        MLB divisional round odds: The favorites for every series

                        MLB divisional round odds: The favorites for every series

                        The divisional round schedule, lines and odds to win.
                        Brewers lead Padres 1-0 heading into NLDS Game 2

                        Brewers lead Padres 1-0 heading into NLDS Game 2

                        San Diego Padres (91-71, second in the NL West during the regular season) vs. Milwaukee Brewers (103-59, first in the NL Central during the regular season)
                        All MLB News
                        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 or 1-800-MY-RESET, (800) 327-5050 or visit gamblinghelplinema.org (MA). Call 877-8-HOPENY/text HOPENY (467369) (NY). Call 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD), 1-800-981-0023 (PR). 21+ and present in most states. (18+ DC/KY/NH/PR/WY). Void in ONT. Eligibility restrictions apply. Terms: draftkings.com/sportsbook. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL.
                        Copyright: © 2026 ESPN Enterprises, LLC. All rights reserved.