Last with Washington Nationals · P · No longer on a 40-man roster
Tanner Roark has an estimated 7 years and 88 days of major league service time — 7.088 in the notation clubs use, from 1292 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2013 | Washington Nationals | 56 | 0.056 | From transactions |
| 2014 | Washington Nationals | 172 | 1.056 | From transactions |
| 2015 | Washington Nationals | 172 | 2.056 | From transactions |
| 2016 | Washington Nationals | 172 | 3.056 | Carried forward |
| 2017 | Washington Nationals | 172 | 4.056 | Carried forward |
| 2018 | Washington Nationals | 172 | 5.056 | From transactions |
| 2019 | Cincinnati Reds, Oakland Athletics | 172 | 6.056 | From transactions |
| 2020 | Toronto Blue Jays | 172 | 7.056 | From transactions |
| 2021 | Toronto Blue Jays | 32 | 7.088 | 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.