Last with Colorado Rockies · LF · No longer on a 40-man roster
Corey Dickerson has an estimated 10 years and 20 days of major league service time — 10.020 in the notation clubs use, from 1740 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2013 | Colorado Rockies | 87 | 0.087 | From transactions |
| 2014 | Colorado Rockies | 172 | 1.087 | From transactions |
| 2015 | Colorado Rockies | 172 | 2.087 | From transactions |
| 2016 | Tampa Bay Rays | 172 | 3.087 | From transactions |
| 2017 | Tampa Bay Rays | 172 | 4.087 | Carried forward |
| 2018 | Pittsburgh Pirates | 152 | 5.067 | From transactions |
| 2019 | Pittsburgh Pirates, Philadelphia Phillies | 172 | 6.067 | From transactions |
| 2020 | Miami Marlins | 172 | 7.067 | From transactions |
| 2021 | Toronto Blue Jays, Miami Marlins | 172 | 8.067 | From transactions |
| 2022 | St. Louis Cardinals | 172 | 9.067 | From transactions |
| 2023 | Washington Nationals | 125 | 10.020 | 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.