Tampa Bay Rays · CF · Free agency eligible
Cedric Mullins has an estimated 7 years and 81 days of major league service time — 7.081 in the notation clubs use, from 1285 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2018 | Baltimore Orioles | 53 | 0.053 | From transactions |
| 2019 | Baltimore Orioles | 33 | 0.086 | From transactions |
| 2020 | Baltimore Orioles | 167 | 1.081 | From transactions |
| 2021 | Baltimore Orioles | 172 | 2.081 | Carried forward |
| 2022 | Baltimore Orioles | 172 | 3.081 | Carried forward |
| 2023 | Baltimore Orioles | 172 | 4.081 | From transactions |
| 2024 | Baltimore Orioles | 172 | 5.081 | Carried forward |
| 2025 | Baltimore Orioles, New York Mets | 172 | 6.081 | From transactions |
| 2026 | Tampa Bay Rays | 172 | 7.081 | 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.