Last with Colorado Rockies · 2B · No longer on a 40-man roster
Garrett Hampson has an estimated 7 years and 3 days of major league service time — 7.003 in the notation clubs use, from 1207 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2018 | Colorado Rockies | 49 | 0.049 | From transactions |
| 2019 | Colorado Rockies | 158 | 1.035 | From transactions |
| 2020 | Colorado Rockies | 172 | 2.035 | Carried forward |
| 2021 | Colorado Rockies | 172 | 3.035 | Carried forward |
| 2022 | Colorado Rockies | 172 | 4.035 | From transactions |
| 2023 | Miami Marlins | 151 | 5.014 | From transactions |
| 2024 | Kansas City Royals | 172 | 6.014 | From transactions |
| 2025 | Arizona Diamondbacks, Cincinnati Reds, St. Louis Cardinals | 161 | 7.003 | 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.