Last with Pittsburgh Pirates · SS · No longer on a 40-man roster
Jordy Mercer has an estimated 8 years and 144 days of major league service time — 8.144 in the notation clubs use, from 1520 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2012 | Pittsburgh Pirates | 117 | 0.117 | From transactions |
| 2013 | Pittsburgh Pirates | 149 | 1.094 | From transactions |
| 2014 | Pittsburgh Pirates | 172 | 2.094 | Carried forward |
| 2015 | Pittsburgh Pirates | 172 | 3.094 | From transactions |
| 2016 | Pittsburgh Pirates | 172 | 4.094 | Carried forward |
| 2017 | Pittsburgh Pirates | 172 | 5.094 | Carried forward |
| 2018 | Pittsburgh Pirates | 172 | 6.094 | From transactions |
| 2019 | Detroit Tigers | 172 | 7.094 | From transactions |
| 2020 | Detroit Tigers, New York Yankees | 50 | 7.144 | From transactions |
| 2021 | Washington Nationals | 172 | 8.144 | 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.