Cooper Criswell

Seattle Mariners · P · Pre-arbitration

Service time2.104
Days credited448
MLB debut2021-08-27

Season by season

SeasonClubDaysRunning totalHow this season is known
2021Los Angeles Angels30.003From transactions
2022Tampa Bay Rays1010.104From transactions
2023Tampa Bay Rays190.123From transactions
2024Boston Red Sox1391.090From transactions
2025Boston Red Sox321.122From transactions
2026Seattle Mariners1542.104From transactions

172 days credit a full year, so a season adds at most 1.000 no matter how long a player is on a roster. 3.000 years reaches salary arbitration and 6.000 reaches free agency.

This figure is an estimate reconstructed from public roster transaction records. It is not an official MLB or MLBPA figure — those are not published. See the methodology. Last updated 2026-08-25.

Independent project, not affiliated with or endorsed by Major League Baseball or the MLBPA.