Arizona Diamondbacks · P · Free agency eligible
Derek Law has an estimated 8 years and 99 days of major league service time — 8.099 in the notation clubs use, from 1475 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2016 | San Francisco Giants | 171 | 0.171 | From transactions |
| 2017 | San Francisco Giants | 110 | 1.109 | From transactions |
| 2018 | San Francisco Giants | 39 | 1.148 | From transactions |
| 2019 | Toronto Blue Jays | 150 | 2.126 | From transactions |
| 2020 | Texas Rangers, Minnesota Twins | 172 | 3.126 | From transactions |
| 2021 | Minnesota Twins | 113 | 4.067 | From transactions |
| 2022 | Cincinnati Reds, Detroit Tigers | 43 | 4.110 | From transactions |
| 2023 | Cincinnati Reds | 172 | 5.110 | From transactions |
| 2024 | Washington Nationals | 172 | 6.110 | From transactions |
| 2025 | Washington Nationals | 172 | 7.110 | From transactions |
| 2026 | Arizona Diamondbacks | 161 | 8.099 | 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.
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 2026-09-01.
Independent project, not affiliated with or endorsed by Major League
Baseball or the MLBPA.