New York Yankees · P · Arbitration eligible
John Schreiber has an estimated 5 years and 161 days of major league service time — 5.161 in the notation clubs use, from 1021 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2019 | Detroit Tigers | 35 | 0.035 | From transactions |
| 2020 | Detroit Tigers | 136 | 0.171 | From transactions |
| 2021 | Boston Red Sox | 5 | 1.004 | From transactions |
| 2022 | Boston Red Sox | 157 | 1.161 | From transactions |
| 2023 | Boston Red Sox | 172 | 2.161 | From transactions |
| 2024 | Kansas City Royals | 172 | 3.161 | From transactions |
| 2025 | Kansas City Royals | 172 | 4.161 | From transactions |
| 2026 | Kansas City Royals, New York Yankees | 172 | 5.161 | From 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 —
what every threshold unlocks.
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 2026-10-12.
Independent project, not affiliated with or endorsed by Major League
Baseball or the MLBPA.