Athletics · P · Free agency eligible
Jeffrey Springs has an estimated 8 years and 41 days of major league service time — 8.041 in the notation clubs use, from 1417 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2018 | Texas Rangers | 63 | 0.063 | From transactions |
| 2019 | Texas Rangers | 172 | 1.063 | From transactions |
| 2020 | Boston Red Sox | 150 | 2.041 | From transactions |
| 2021 | Tampa Bay Rays | 172 | 3.041 | From transactions |
| 2022 | Tampa Bay Rays | 172 | 4.041 | From transactions |
| 2023 | Tampa Bay Rays | 172 | 5.041 | From transactions |
| 2024 | Tampa Bay Rays | 172 | 6.041 | From transactions |
| 2025 | Oakland Athletics | 172 | 7.041 | From transactions |
| 2026 | Oakland Athletics | 172 | 8.041 | 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.