Last with Toronto Blue Jays · C · No longer on a 40-man roster
Reese McGuire has an estimated 5 years and 137 days of major league service time — 5.137 in the notation clubs use, from 997 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2018 | Toronto Blue Jays | 26 | 0.026 | From transactions |
| 2019 | Toronto Blue Jays | 65 | 0.091 | From transactions |
| 2020 | Toronto Blue Jays | 122 | 1.041 | From transactions |
| 2021 | Toronto Blue Jays | 152 | 2.021 | From transactions |
| 2022 | Boston Red Sox, Chicago White Sox | 172 | 3.021 | From transactions |
| 2023 | Boston Red Sox | 172 | 4.021 | From transactions |
| 2024 | Boston Red Sox | 130 | 4.151 | From transactions |
| 2025 | Chicago Cubs | 127 | 5.106 | From transactions |
| 2026 | Chicago White Sox | 31 | 5.137 | 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.