Minnesota Twins · CF · Free agency eligible
Byron Buxton has an estimated 10 years and 149 days of major league service time — 10.149 in the notation clubs use, from 1869 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2015 | Minnesota Twins | 103 | 0.103 | From transactions |
| 2016 | Minnesota Twins | 123 | 1.054 | From transactions |
| 2017 | Minnesota Twins | 172 | 2.054 | From transactions |
| 2018 | Minnesota Twins | 95 | 2.149 | From transactions |
| 2019 | Minnesota Twins | 172 | 3.149 | From transactions |
| 2020 | Minnesota Twins | 172 | 4.149 | From transactions |
| 2021 | Minnesota Twins | 172 | 5.149 | From transactions |
| 2022 | Minnesota Twins | 172 | 6.149 | From transactions |
| 2023 | Minnesota Twins | 172 | 7.149 | From transactions |
| 2024 | Minnesota Twins | 172 | 8.149 | From transactions |
| 2025 | Minnesota Twins | 172 | 9.149 | From transactions |
| 2026 | Minnesota Twins | 172 | 10.149 | 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.