John Schreiber

Kansas City Royals · P · Arbitration eligible

Service time5.143
Days credited1003
MLB debut2019-08-09

Season by season

SeasonClubDaysRunning totalHow this season is known
2019Detroit Tigers350.035From transactions
2020Detroit Tigers1360.171From transactions
2021Boston Red Sox51.004From transactions
2022Boston Red Sox1571.161From transactions
2023Boston Red Sox1722.161From transactions
2024Kansas City Royals1723.161From transactions
2025Kansas City Royals1724.161From transactions
2026Kansas City Royals1545.143From 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.