Last with Cincinnati Reds · LF · No longer on a 40-man roster
Chris Heisey has an estimated 6 years and 158 days of major league service time — 6.158 in the notation clubs use, from 1190 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2010 | Cincinnati Reds | 157 | 0.157 | From transactions |
| 2011 | Cincinnati Reds | 172 | 1.157 | From transactions |
| 2012 | Cincinnati Reds | 172 | 2.157 | Carried forward |
| 2013 | Cincinnati Reds | 172 | 3.157 | From transactions |
| 2014 | Cincinnati Reds | 172 | 4.157 | From transactions |
| 2015 | Los Angeles Dodgers | 54 | 5.039 | From transactions |
| 2016 | Washington Nationals | 172 | 6.039 | From transactions |
| 2017 | Washington Nationals | 119 | 6.158 | 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.