Last with Oakland Athletics · P · No longer on a 40-man roster
Tyson Ross has an estimated 8 years and 104 days of major league service time — 8.104 in the notation clubs use, from 1480 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2010 | Oakland Athletics | 94 | 0.094 | From transactions |
| 2011 | Oakland Athletics | 110 | 1.032 | From transactions |
| 2012 | Oakland Athletics | 83 | 1.115 | From transactions |
| 2013 | San Diego Padres | 170 | 2.113 | From transactions |
| 2014 | San Diego Padres | 172 | 3.113 | Carried forward |
| 2015 | San Diego Padres | 172 | 4.113 | Carried forward |
| 2016 | San Diego Padres | 172 | 5.113 | From transactions |
| 2017 | Texas Rangers | 163 | 6.104 | From transactions |
| 2018 | San Diego Padres, St. Louis Cardinals | 172 | 7.104 | From transactions |
| 2019 | Detroit Tigers | 172 | 8.104 | 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.