Last with San Francisco Giants · LF · No longer on a 40-man roster
Adam Duvall has an estimated 8 years and 152 days of major league service time — 8.152 in the notation clubs use, from 1528 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2014 | San Francisco Giants | 59 | 0.059 | From transactions |
| 2015 | Cincinnati Reds | 35 | 0.094 | From transactions |
| 2016 | Cincinnati Reds | 172 | 1.094 | Carried forward |
| 2017 | Cincinnati Reds | 172 | 2.094 | Carried forward |
| 2018 | Cincinnati Reds, Atlanta Braves | 172 | 3.094 | From transactions |
| 2019 | Atlanta Braves | 58 | 3.152 | From transactions |
| 2020 | Atlanta Braves | 172 | 4.152 | From transactions |
| 2021 | Atlanta Braves, Miami Marlins | 172 | 5.152 | From transactions |
| 2022 | Atlanta Braves | 172 | 6.152 | From transactions |
| 2023 | Boston Red Sox | 172 | 7.152 | From transactions |
| 2024 | Atlanta Braves | 172 | 8.152 | 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.