Boston Red Sox · P · On the Super Two track
Tyron Guerrero has an estimated 2 years and 132 days of major league service time — 2.132 in the notation clubs use, from 476 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2016 | San Diego Padres | 3 | 0.003 | From transactions |
| 2017 | Miami Marlins | 0 | 0.003 | From transactions |
| 2018 | Miami Marlins | 172 | 1.003 | From transactions |
| 2019 | Miami Marlins | 172 | 2.003 | From transactions |
| 2020 | Chicago White Sox | 0 | 2.003 | From transactions |
| 2021 | Chicago White Sox | 0 | 2.003 | From transactions |
| 2022 | Chicago White Sox | 0 | 2.003 | Carried forward |
| 2023 | Cincinnati Reds | 0 | 2.003 | From transactions |
| 2024 | Los Angeles Angels | 0 | 2.003 | From transactions |
| 2025 | Los Angeles Angels | 0 | 2.003 | Carried forward |
| 2026 | Boston Red Sox | 129 | 2.132 | 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.