Last with Houston Astros · LF · No longer on a 40-man roster
Robbie Grossman has an estimated 10 years and 69 days of major league service time — 10.069 in the notation clubs use, from 1789 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2013 | Houston Astros | 100 | 0.100 | From transactions |
| 2014 | Houston Astros | 138 | 1.066 | From transactions |
| 2015 | Houston Astros | 38 | 1.104 | From transactions |
| 2016 | Minnesota Twins | 137 | 2.069 | From transactions |
| 2017 | Minnesota Twins | 172 | 3.069 | From transactions |
| 2018 | Minnesota Twins | 172 | 4.069 | From transactions |
| 2019 | Oakland Athletics | 172 | 5.069 | From transactions |
| 2020 | Oakland Athletics | 172 | 6.069 | From transactions |
| 2021 | Detroit Tigers | 172 | 7.069 | From transactions |
| 2022 | Detroit Tigers, Atlanta Braves | 172 | 8.069 | From transactions |
| 2023 | Texas Rangers | 172 | 9.069 | From transactions |
| 2024 | Kansas City Royals, Texas Rangers, Chicago White Sox | 172 | 10.069 | 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.