Last with Miami Marlins · P · No longer on a 40-man roster
Scott McGough has an estimated 2 years and 27 days of major league service time — 2.027 in the notation clubs use, from 371 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2015 | Miami Marlins | 34 | 0.034 | From transactions |
| 2016 | Miami Marlins, Baltimore Orioles | 0 | 0.034 | From transactions |
| 2017 | Baltimore Orioles | 0 | 0.034 | From transactions |
| 2018 | Colorado Rockies | 0 | 0.034 | From transactions |
| 2019 | Colorado Rockies | 0 | 0.034 | Carried forward |
| 2020 | Colorado Rockies | 0 | 0.034 | Carried forward |
| 2021 | Colorado Rockies | 0 | 0.034 | Carried forward |
| 2022 | Arizona Diamondbacks | 0 | 0.034 | From transactions |
| 2023 | Arizona Diamondbacks | 172 | 1.034 | From transactions |
| 2024 | Arizona Diamondbacks | 84 | 1.118 | From transactions |
| 2025 | Arizona Diamondbacks, Oakland Athletics | 81 | 2.027 | 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.