Boston Red Sox · P · Free agency eligible
Patrick Sandoval has an estimated 6 years and 143 days of major league service time — 6.143 in the notation clubs use, from 1175 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2019 | Los Angeles Angels | 56 | 0.056 | From transactions |
| 2020 | Los Angeles Angels | 105 | 0.161 | From transactions |
| 2021 | Los Angeles Angels | 154 | 1.143 | From transactions |
| 2022 | Los Angeles Angels | 172 | 2.143 | Carried forward |
| 2023 | Los Angeles Angels | 172 | 3.143 | From transactions |
| 2024 | Los Angeles Angels | 172 | 4.143 | From transactions |
| 2025 | Boston Red Sox | 172 | 5.143 | From transactions |
| 2026 | Boston Red Sox | 172 | 6.143 | 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.