Last with San Diego Padres · P · No longer on a 40-man roster
R.J. Alvarez has an estimated 2 years and 78 days of major league service time — 2.078 in the notation clubs use, from 422 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2014 | San Diego Padres | 27 | 0.027 | From transactions |
| 2015 | Oakland Athletics | 62 | 0.089 | From transactions |
| 2016 | Oakland Athletics, Chicago Cubs, Texas Rangers | 70 | 0.159 | From transactions |
| 2017 | Texas Rangers | 0 | 0.159 | From transactions |
| 2018 | Texas Rangers, Miami Marlins | 0 | 0.159 | From transactions |
| 2019 | Boston Red Sox | 0 | 0.159 | From transactions |
| 2020 | Boston Red Sox | 0 | 0.159 | From transactions |
| 2021 | Milwaukee Brewers | 172 | 1.159 | From transactions |
| 2022 | New York Mets | 91 | 2.078 | 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.