Last with Houston Astros · P · No longer on a 40-man roster
David Carpenter has an estimated 4 years and 36 days of major league service time — 4.036 in the notation clubs use, from 724 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | Houston Astros | 92 | 0.092 | From transactions |
| 2012 | Houston Astros, Toronto Blue Jays | 118 | 1.038 | From transactions |
| 2013 | Atlanta Braves | 156 | 2.022 | From transactions |
| 2014 | Atlanta Braves | 172 | 3.022 | From transactions |
| 2015 | Washington Nationals, New York Yankees | 172 | 4.022 | From transactions |
| 2016 | Atlanta Braves, Tampa Bay Rays, Los Angeles Angels | 0 | 4.022 | From transactions |
| 2017 | Tampa Bay Rays, Arizona Diamondbacks | 0 | 4.022 | From transactions |
| 2018 | Arizona Diamondbacks | 0 | 4.022 | From transactions |
| 2019 | Texas Rangers | 14 | 4.036 | 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.