Last with Arizona Diamondbacks · SS · No longer on a 40-man roster
Nick Ahmed has an estimated 10 years and 28 days of major league service time — 10.028 in the notation clubs use, from 1748 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2014 | Arizona Diamondbacks | 54 | 0.054 | From transactions |
| 2015 | Arizona Diamondbacks | 172 | 1.054 | Carried forward |
| 2016 | Arizona Diamondbacks | 172 | 2.054 | From transactions |
| 2017 | Arizona Diamondbacks | 172 | 3.054 | From transactions |
| 2018 | Arizona Diamondbacks | 172 | 4.054 | Carried forward |
| 2019 | Arizona Diamondbacks | 172 | 5.054 | Carried forward |
| 2020 | Arizona Diamondbacks | 172 | 6.054 | Carried forward |
| 2021 | Arizona Diamondbacks | 172 | 7.054 | From transactions |
| 2022 | Arizona Diamondbacks | 172 | 8.054 | From transactions |
| 2023 | Arizona Diamondbacks | 161 | 9.043 | From transactions |
| 2024 | Los Angeles Dodgers, San Diego Padres, San Francisco Giants | 112 | 9.155 | From transactions |
| 2025 | Texas Rangers | 45 | 10.028 | 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.