Last with Texas Rangers · 1B · No longer on a 40-man roster
Willie Calhoun has an estimated 4 years and 110 days of major league service time — 4.110 in the notation clubs use, from 798 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2017 | Texas Rangers | 20 | 0.020 | From transactions |
| 2018 | Texas Rangers | 55 | 0.075 | From transactions |
| 2019 | Texas Rangers | 131 | 1.034 | From transactions |
| 2020 | Texas Rangers | 172 | 2.034 | From transactions |
| 2021 | Texas Rangers | 172 | 3.034 | From transactions |
| 2022 | San Francisco Giants, Texas Rangers | 30 | 3.064 | From transactions |
| 2023 | New York Yankees | 111 | 4.003 | From transactions |
| 2024 | Los Angeles Angels | 107 | 4.110 | 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.