Last with Arizona Diamondbacks · P · No longer on a 40-man roster
Matt Koch has an estimated 1 year and 127 days of major league service time — 1.127 in the notation clubs use, from 299 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2016 | Arizona Diamondbacks | 27 | 0.027 | From transactions |
| 2017 | Arizona Diamondbacks | 5 | 0.032 | From transactions |
| 2018 | Arizona Diamondbacks | 109 | 0.141 | From transactions |
| 2019 | Arizona Diamondbacks | 39 | 1.008 | From transactions |
| 2020 | Arizona Diamondbacks | 0 | 1.008 | Carried forward |
| 2021 | Cleveland Indians | 0 | 1.008 | From transactions |
| 2022 | Seattle Mariners | 16 | 1.024 | From transactions |
| 2023 | Colorado Rockies | 98 | 1.122 | From transactions |
| 2024 | Colorado Rockies | 5 | 1.127 | 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.