Last with New York Mets · P · No longer on a 40-man roster
Chris Flexen has an estimated 5 years and 45 days of major league service time — 5.045 in the notation clubs use, from 905 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2017 | New York Mets | 67 | 0.067 | From transactions |
| 2018 | New York Mets | 12 | 0.079 | From transactions |
| 2019 | New York Mets | 22 | 0.101 | From transactions |
| 2020 | Seattle Mariners | 0 | 0.101 | From transactions |
| 2021 | Seattle Mariners | 172 | 1.101 | Carried forward |
| 2022 | Seattle Mariners | 172 | 2.101 | From transactions |
| 2023 | Colorado Rockies, Seattle Mariners | 155 | 3.084 | From transactions |
| 2024 | Chicago White Sox | 172 | 4.084 | From transactions |
| 2025 | Chicago Cubs | 133 | 5.045 | 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.