Last with Chicago White Sox · P · No longer on a 40-man roster
Carson Fulmer has an estimated 3 years and 159 days of major league service time — 3.159 in the notation clubs use, from 675 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2016 | Chicago White Sox | 33 | 0.033 | From transactions |
| 2017 | Chicago White Sox | 32 | 0.065 | From transactions |
| 2018 | Chicago White Sox | 52 | 0.117 | From transactions |
| 2019 | Chicago White Sox | 96 | 1.041 | From transactions |
| 2020 | Baltimore Orioles, Detroit Tigers | 147 | 2.016 | From transactions |
| 2021 | Cincinnati Reds | 50 | 2.066 | From transactions |
| 2022 | Los Angeles Dodgers | 2 | 2.068 | From transactions |
| 2023 | Los Angeles Angels | 9 | 2.077 | From transactions |
| 2024 | Los Angeles Angels | 172 | 3.077 | From transactions |
| 2025 | Los Angeles Angels | 82 | 3.159 | 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.