Last with Seattle Mariners · P · No longer on a 40-man roster
Chase De Jong has an estimated 3 years and 8 days of major league service time — 3.008 in the notation clubs use, from 524 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2017 | Seattle Mariners | 28 | 0.028 | From transactions |
| 2018 | Minnesota Twins | 29 | 0.057 | From transactions |
| 2019 | Minnesota Twins | 4 | 0.061 | From transactions |
| 2020 | Houston Astros | 78 | 0.139 | From transactions |
| 2021 | Pittsburgh Pirates | 172 | 1.139 | From transactions |
| 2022 | Pittsburgh Pirates | 168 | 2.135 | From transactions |
| 2023 | Pittsburgh Pirates | 45 | 3.008 | 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.