Last with San Diego Padres · P · No longer on a 40-man roster
José Ruiz has an estimated 5 years and 109 days of major league service time — 5.109 in the notation clubs use, from 969 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2017 | San Diego Padres | 1 | 0.001 | From transactions |
| 2018 | Chicago White Sox | 28 | 0.029 | From transactions |
| 2019 | Chicago White Sox | 145 | 1.002 | From transactions |
| 2020 | Chicago White Sox | 97 | 1.099 | From transactions |
| 2021 | Chicago White Sox | 172 | 2.099 | Carried forward |
| 2022 | Chicago White Sox | 172 | 3.099 | Carried forward |
| 2023 | Arizona Diamondbacks, Chicago White Sox | 115 | 4.042 | From transactions |
| 2024 | Philadelphia Phillies | 151 | 5.021 | From transactions |
| 2025 | Philadelphia Phillies, Atlanta Braves | 88 | 5.109 | 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.