San Francisco Giants · P · Free agency eligible
Adrian Houser has an estimated 7 years and 98 days of major league service time — 7.098 in the notation clubs use, from 1302 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2015 | Milwaukee Brewers | 13 | 0.013 | From transactions |
| 2016 | Milwaukee Brewers | 0 | 0.013 | From transactions |
| 2017 | Milwaukee Brewers | 0 | 0.013 | From transactions |
| 2018 | Milwaukee Brewers | 18 | 0.031 | From transactions |
| 2019 | Milwaukee Brewers | 151 | 1.010 | From transactions |
| 2020 | Milwaukee Brewers | 172 | 2.010 | Carried forward |
| 2021 | Milwaukee Brewers | 172 | 3.010 | From transactions |
| 2022 | Milwaukee Brewers | 172 | 4.010 | From transactions |
| 2023 | Milwaukee Brewers | 172 | 5.010 | From transactions |
| 2024 | New York Mets | 128 | 5.138 | From transactions |
| 2025 | Tampa Bay Rays, Chicago White Sox | 132 | 6.098 | From transactions |
| 2026 | San Francisco Giants | 172 | 7.098 | 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.