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14. Merrill Kelly

14. Merrill Kelly
  1. General
  2. Awards
  3. Career Stats
  • Born: October 14, 1988 in Houston, TX USA
  • Weight: 202 lbs.
  • Height: 6'2"
  • Bats: R
  • Throws: R
  • Debut: April 01, 2019
  • Final Game: September 29, 2021
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Merrill Kelly was drafted by the Tampa Bay Rays in 2010, but after four years in the minors, he never made the big leagues and was released after the 2014 Season.  Kelly persevered and went to Korea, where he played for SK Wyverns for four seasons, winning a league title in 2018.  After that, he gave the Majors another try, and he signed with the Diamondbacks, making the team out of Spring Training.

Kelly became a competent starter, throwing 183.1 Innings with a 4.42 ERA.  He only had five Starts in 2020, though had an ERA of 2.59.  Although his stats went back to his rookie year in 2022, he rebounded strongly in 2023, with a 13-8 record, a 3.37 ERA, and 177 Strikeouts.  Going into 2023, he is one half a nice pairing with Zac Gallen, giving Arizona two arms to build on.  They did not do that in 2023, but the bats came alive, leading Arizona to the World Series.  For his efforts, Kelly went 12-9 with a 3.29 ERA and 187 Strikeouts.  Kelly also had a good postseason, going 3-1 with a 2.25 ERA, sub-1.000 WHIP, and 28 Ks.  

After a year that was spent mostly on the shelf, the gritty hurler grinded out in 2025 (9-6, 3.22 ERA) before he was traded to Texas for their playoff run.  That stay in Texas was brief, as the free agent signed back with Arizona for the 2026 Season.

The Bullet Points

  • Position: Pitcher
  • Acquired: Signed as a Free Agent 12/4/18.
  • Departed: Traded to the Texas Rangers for Mitch Bratt, Kohl Drake and David Hagaman 7/31/25

    Acquired (2): Signed as a Free Agent 12/19/25
  • Games Played: 162
  • Notable Statistics:

    62 Wins
    50 Losses
    3.74 ERA
    162 Games Started
    953.0 Innings Pitched
    865 Strikeouts
    3.98 FIP
    1.194 WHIP
    2.98 SO/BB
    16.6 bWAR                       

    4 Playoff Games
    3 Wins
    1 Losse
    2.25 ERA
    4 Games Started
    24.0 Innings Pitched
    28 Strikeouts
    0.833 WHIP
    3.50 SO/BB

    4 Runs Scored
    4 Hits
    1 Double
    3 Triples
    0 Home Runs
    3 Runs Batted In
    0 Stolen Bases
    .040/.095/.051 Slash Line

    No Playoff At Bats

  • Major Accolades and Awards: Most Games Started (2022)

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