Last with Tampa Bay Rays · P · No longer on a 40-man roster
Alex Cobb has an estimated 14 years and 60 days of major league service time — 14.060 in the notation clubs use, from 2468 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | Tampa Bay Rays | 93 | 0.093 | From transactions |
| 2012 | Tampa Bay Rays | 140 | 1.061 | From transactions |
| 2013 | Tampa Bay Rays | 172 | 2.061 | From transactions |
| 2014 | Tampa Bay Rays | 172 | 3.061 | From transactions |
| 2015 | Tampa Bay Rays | 172 | 4.061 | From transactions |
| 2016 | Tampa Bay Rays | 172 | 5.061 | From transactions |
| 2017 | Tampa Bay Rays | 172 | 6.061 | From transactions |
| 2018 | Baltimore Orioles | 171 | 7.060 | From transactions |
| 2019 | Baltimore Orioles | 172 | 8.060 | From transactions |
| 2020 | Baltimore Orioles | 172 | 9.060 | From transactions |
| 2021 | Los Angeles Angels | 172 | 10.060 | From transactions |
| 2022 | San Francisco Giants | 172 | 11.060 | From transactions |
| 2023 | San Francisco Giants | 172 | 12.060 | From transactions |
| 2024 | Cleveland Indians | 172 | 13.060 | From transactions |
| 2025 | Detroit Tigers | 172 | 14.060 | 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.