38. George Kirby

  1. General
  2. Awards
  3. Career Stats
 
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Selected by the Seattle Mariners in the first round of the 2019 draft out of Elon University, George Kirby arrived in the majors in 2022 possessing a level of precision that defied his youth. Rather than nibbling around the edges, Kirby operates with a relentless, ice-cold willingness to attack the strike zone, quickly transforming from a highly touted prospect into the foundational co-ace of a loaded Seattle rotation.

Kirby’s rise to elite prominence relies on a historic command profile. Weaponizing a blazing mid-90s fastball paired with a sharp slider and a devastating splitter, he has built a reputation as the game's ultimate strike-throwing machine. After an All-Star breakthrough in 2023 and a rugged 2024 campaign where he comfortably paced the major leagues in strikeout-to-walk ratio, he entered the 2025 season with a clear objective: to pair his unmatched efficiency with true front-of-the-rotation dominance. He responded by authoring his absolute professional masterpiece.

The 2025 campaign showcased Kirby's surgical precision and endurance. As a reliable force for manager Dan Wilson, he posted a 14–9 record with a 3.14 ERA over 32 starts. He exceeded 200 innings for the first time, pitching 201.0 innings. His control was exceptional: 194 strikeouts against only 21 walks, leading to a 9.24 strikeout-to-walk ratio—top in MLB for the second year—and solidifying his reputation as an efficient pitcher. With a minimal 1.03 WHIP, he earned his second All-Star nod and finished in the Top Five for American League Cy Young voting, showcasing elite pitching.

Armed with arguably the most disciplined command in the sport, Kirby has a lot more to offer the PNW.

The Bullet Points

  • Position: Pitcher
  • Acquired: Selected in the 1st Round, 20th Overall of the Amateur Draft 6/3/19.
  • Games Played: 89
  • Notable Statistics:

    35 Wins
    26 Losses
    3.43 ERA
    89 Games Started 
    1 Complete Game
    511.2 Innings Pitched
    484 Strikeouts
    3.22 FIP
    1.093 WHIP
    7.56 SO/BB
    7.1 bWAR

    2 Playoff Games
    0 Wins
    0 Losses
    0.00 ERA
    1 Game Started
    1 Game Finished
    1 Save
    8.0 Innings Pitched
    6 Strikeouts
    2.74 FIP
    0.875 WHIP
    6.00 SO/BB 

    No Regular Season Plate Appearances

    No Playoff Plate Appearances

  • Major Accolades and Awards:

    All-Star (2023)
    Lowest BB/9 (2023 & 2024)
    Most Games Started (2023)
    Highest SO/BB (2023 & 2024)
    Highest Fielding Percentage by a Pitcher (2023)

     

  • Other Points of Note: Top Ten Cy Young Finishes:
    8th in 2023

    Finished 6th in Rookie of the Year Voting in 2022

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