Last with Minnesota Twins · P · No longer on a 40-man roster
Kyle Gibson has an estimated 11 years and 64 days of major league service time — 11.064 in the notation clubs use, from 1956 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2013 | Minnesota Twins | 56 | 0.056 | From transactions |
| 2014 | Minnesota Twins | 172 | 1.056 | Carried forward |
| 2015 | Minnesota Twins | 172 | 2.056 | Carried forward |
| 2016 | Minnesota Twins | 172 | 3.056 | From transactions |
| 2017 | Minnesota Twins | 155 | 4.039 | From transactions |
| 2018 | Minnesota Twins | 172 | 5.039 | Carried forward |
| 2019 | Minnesota Twins | 172 | 6.039 | From transactions |
| 2020 | Texas Rangers | 172 | 7.039 | Carried forward |
| 2021 | Texas Rangers, Philadelphia Phillies | 172 | 8.039 | From transactions |
| 2022 | Philadelphia Phillies | 172 | 9.039 | From transactions |
| 2023 | Baltimore Orioles | 172 | 10.039 | From transactions |
| 2024 | St. Louis Cardinals | 172 | 11.039 | From transactions |
| 2025 | Baltimore Orioles | 25 | 11.064 | 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.