Last with Colorado Rockies · P · No longer on a 40-man roster
Julian Fernández has an estimated 45 days of major league service time — 0.045 in the notation clubs use, from 45 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2021 | Colorado Rockies | 33 | 0.033 | From transactions |
| 2022 | Colorado Rockies | 1 | 0.034 | From transactions |
| 2023 | Toronto Blue Jays | 0 | 0.034 | From transactions |
| 2024 | Toronto Blue Jays | 0 | 0.034 | Carried forward |
| 2025 | Los Angeles Dodgers, Washington Nationals | 7 | 0.041 | From transactions |
| 2026 | Washington Nationals | 4 | 0.045 | 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.