Last with Tampa Bay Rays · P · No longer on a 40-man roster
Jake McGee has an estimated 10 years and 94 days of major league service time — 10.094 in the notation clubs use, from 1814 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2010 | Tampa Bay Rays | 20 | 0.020 | From transactions |
| 2011 | Tampa Bay Rays | 107 | 0.127 | From transactions |
| 2012 | Tampa Bay Rays | 172 | 1.127 | Carried forward |
| 2013 | Tampa Bay Rays | 172 | 2.127 | Carried forward |
| 2014 | Tampa Bay Rays | 172 | 3.127 | From transactions |
| 2015 | Tampa Bay Rays | 172 | 4.127 | From transactions |
| 2016 | Colorado Rockies | 172 | 5.127 | From transactions |
| 2017 | Colorado Rockies | 172 | 6.127 | From transactions |
| 2018 | Colorado Rockies | 172 | 7.127 | Carried forward |
| 2019 | Colorado Rockies | 172 | 8.127 | From transactions |
| 2020 | Los Angeles Dodgers | 0 | 8.127 | From transactions |
| 2021 | San Francisco Giants | 172 | 9.127 | From transactions |
| 2022 | Washington Nationals, San Francisco Giants, Milwaukee Brewers | 139 | 10.094 | 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.