Last with Los Angeles Dodgers · P · No longer on a 40-man roster
Rubby De La Rosa has an estimated 5 years and 43 days of major league service time — 5.043 in the notation clubs use, from 903 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | Los Angeles Dodgers | 128 | 0.128 | From transactions |
| 2012 | Los Angeles Dodgers | 149 | 1.105 | From transactions |
| 2013 | Boston Red Sox | 48 | 1.153 | From transactions |
| 2014 | Boston Red Sox | 110 | 2.091 | From transactions |
| 2015 | Arizona Diamondbacks | 172 | 3.091 | Carried forward |
| 2016 | Arizona Diamondbacks | 172 | 4.091 | From transactions |
| 2017 | Arizona Diamondbacks | 124 | 5.043 | 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.