Last with Colorado Rockies · 2B · No longer on a 40-man roster
Jonathan Herrera has an estimated 6 years and 83 days of major league service time — 6.083 in the notation clubs use, from 1115 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2008 | Colorado Rockies | 154 | 0.154 | From transactions |
| 2009 | Colorado Rockies | 0 | 0.154 | Carried forward |
| 2010 | Colorado Rockies | 166 | 1.148 | From transactions |
| 2011 | Colorado Rockies | 172 | 2.148 | From transactions |
| 2012 | Colorado Rockies | 172 | 3.148 | From transactions |
| 2013 | Colorado Rockies | 172 | 4.148 | From transactions |
| 2014 | Boston Red Sox | 107 | 5.083 | From transactions |
| 2015 | Chicago Cubs | 172 | 6.083 | 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.