Last with Baltimore Orioles · 1B · No longer on a 40-man roster
Trey Mancini has an estimated 6 years and 148 days of major league service time — 6.148 in the notation clubs use, from 1180 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2016 | Baltimore Orioles | 15 | 0.015 | From transactions |
| 2017 | Baltimore Orioles | 172 | 1.015 | Carried forward |
| 2018 | Baltimore Orioles | 172 | 2.015 | Carried forward |
| 2019 | Baltimore Orioles | 172 | 3.015 | Carried forward |
| 2020 | Baltimore Orioles | 172 | 4.015 | From transactions |
| 2021 | Baltimore Orioles | 172 | 5.015 | Carried forward |
| 2022 | Baltimore Orioles, Houston Astros | 172 | 6.015 | From transactions |
| 2023 | Chicago Cubs | 124 | 6.139 | From transactions |
| 2024 | Miami Marlins | 0 | 6.139 | From transactions |
| 2025 | Arizona Diamondbacks | 0 | 6.139 | From transactions |
| 2026 | Los Angeles Angels | 9 | 6.148 | 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.