Last with San Diego Padres · P · No longer on a 40-man roster
Brad Boxberger has an estimated 10 years and 32 days of major league service time — 10.032 in the notation clubs use, from 1752 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2012 | San Diego Padres | 73 | 0.073 | From transactions |
| 2013 | San Diego Padres | 53 | 0.126 | From transactions |
| 2014 | Tampa Bay Rays | 152 | 1.106 | From transactions |
| 2015 | Tampa Bay Rays | 172 | 2.106 | Carried forward |
| 2016 | Tampa Bay Rays | 172 | 3.106 | From transactions |
| 2017 | Tampa Bay Rays | 172 | 4.106 | From transactions |
| 2018 | Arizona Diamondbacks | 172 | 5.106 | From transactions |
| 2019 | Kansas City Royals | 98 | 6.032 | From transactions |
| 2020 | Miami Marlins | 172 | 7.032 | From transactions |
| 2021 | Milwaukee Brewers | 172 | 8.032 | From transactions |
| 2022 | Milwaukee Brewers | 172 | 9.032 | From transactions |
| 2023 | Chicago Cubs | 172 | 10.032 | 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.