Last with Seattle Mariners · C · No longer on a 40-man roster
Mike Zunino has an estimated 9 years and 66 days of major league service time — 9.066 in the notation clubs use, from 1614 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2013 | Seattle Mariners | 112 | 0.112 | From transactions |
| 2014 | Seattle Mariners | 172 | 1.112 | Carried forward |
| 2015 | Seattle Mariners | 145 | 2.085 | From transactions |
| 2016 | Seattle Mariners | 81 | 2.166 | From transactions |
| 2017 | Seattle Mariners | 166 | 3.160 | From transactions |
| 2018 | Seattle Mariners | 172 | 4.160 | From transactions |
| 2019 | Tampa Bay Rays | 172 | 5.160 | From transactions |
| 2020 | Tampa Bay Rays | 172 | 6.160 | From transactions |
| 2021 | Tampa Bay Rays | 172 | 7.160 | Carried forward |
| 2022 | Tampa Bay Rays | 172 | 8.160 | From transactions |
| 2023 | Cleveland Indians | 78 | 9.066 | 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.