Arizona Diamondbacks · 1B · Free agency eligible
Ildemaro Vargas has an estimated 6 years and 102 days of major league service time — 6.102 in the notation clubs use, from 1134 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2017 | Arizona Diamondbacks | 27 | 0.027 | From transactions |
| 2018 | Arizona Diamondbacks | 29 | 0.056 | From transactions |
| 2019 | Arizona Diamondbacks | 150 | 1.034 | From transactions |
| 2020 | Arizona Diamondbacks, Chicago Cubs, Minnesota Twins | 153 | 2.015 | From transactions |
| 2021 | Arizona Diamondbacks, Chicago Cubs, Pittsburgh Pirates | 59 | 2.074 | From transactions |
| 2022 | Chicago Cubs, Washington Nationals | 78 | 2.152 | From transactions |
| 2023 | Washington Nationals | 172 | 3.152 | From transactions |
| 2024 | Washington Nationals | 172 | 4.152 | From transactions |
| 2025 | Arizona Diamondbacks | 122 | 5.102 | From transactions |
| 2026 | Arizona Diamondbacks | 172 | 6.102 | 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.