Last with Colorado Rockies · P · No longer on a 40-man roster
Rex Brothers has an estimated 5 years and 147 days of major league service time — 5.147 in the notation clubs use, from 1007 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | Colorado Rockies | 117 | 0.117 | From transactions |
| 2012 | Colorado Rockies | 172 | 1.117 | From transactions |
| 2013 | Colorado Rockies | 172 | 2.117 | Carried forward |
| 2014 | Colorado Rockies | 172 | 3.117 | Carried forward |
| 2015 | Colorado Rockies | 47 | 3.164 | From transactions |
| 2016 | Chicago Cubs | 0 | 3.164 | From transactions |
| 2017 | Atlanta Braves | 84 | 4.076 | From transactions |
| 2018 | Atlanta Braves | 2 | 4.078 | From transactions |
| 2019 | Chicago Cubs | 0 | 4.078 | From transactions |
| 2020 | Chicago Cubs | 69 | 4.147 | From transactions |
| 2021 | Chicago Cubs | 172 | 5.147 | 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.