Last with New York Mets · LF · No longer on a 40-man roster
Sam Haggerty has an estimated 5 years and 102 days of major league service time — 5.102 in the notation clubs use, from 962 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2019 | New York Mets | 29 | 0.029 | From transactions |
| 2020 | Seattle Mariners | 111 | 0.140 | From transactions |
| 2021 | Seattle Mariners | 172 | 1.140 | From transactions |
| 2022 | Seattle Mariners | 125 | 2.093 | From transactions |
| 2023 | Seattle Mariners | 110 | 3.031 | From transactions |
| 2024 | Seattle Mariners | 171 | 4.030 | From transactions |
| 2025 | Texas Rangers | 172 | 5.030 | From transactions |
| 2026 | Texas Rangers | 72 | 5.102 | 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.