Last with Los Angeles Angels · C · No longer on a 40-man roster
Matt Thaiss has an estimated 3 years and 170 days of major league service time — 3.170 in the notation clubs use, from 686 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2019 | Los Angeles Angels | 89 | 0.089 | From transactions |
| 2020 | Los Angeles Angels | 61 | 0.150 | From transactions |
| 2021 | Los Angeles Angels | 9 | 0.159 | From transactions |
| 2022 | Los Angeles Angels | 47 | 1.034 | From transactions |
| 2023 | Los Angeles Angels | 172 | 2.034 | From transactions |
| 2024 | Los Angeles Angels | 172 | 3.034 | From transactions |
| 2025 | Tampa Bay Rays, Chicago White Sox | 136 | 3.170 | 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.