Last with Houston Astros · P · No longer on a 40-man roster
Corbin Martin has an estimated 2 years and 156 days of major league service time — 2.156 in the notation clubs use, from 500 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2019 | Houston Astros | 23 | 0.023 | From transactions |
| 2020 | Arizona Diamondbacks | 172 | 1.023 | From transactions |
| 2021 | Arizona Diamondbacks | 21 | 1.044 | From transactions |
| 2022 | Arizona Diamondbacks | 35 | 1.079 | From transactions |
| 2023 | Arizona Diamondbacks | 172 | 2.079 | From transactions |
| 2024 | Arizona Diamondbacks, Milwaukee Brewers, Baltimore Orioles | 1 | 2.080 | From transactions |
| 2025 | Baltimore Orioles | 57 | 2.137 | From transactions |
| 2026 | Chicago Cubs | 19 | 2.156 | 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.