Last with Philadelphia Phillies · P · No longer on a 40-man roster
Yacksel Ríos has an estimated 3 years and 90 days of major league service time — 3.090 in the notation clubs use, from 606 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2017 | Philadelphia Phillies | 41 | 0.041 | From transactions |
| 2018 | Philadelphia Phillies | 116 | 0.157 | From transactions |
| 2019 | Pittsburgh Pirates, Philadelphia Phillies | 50 | 1.035 | From transactions |
| 2020 | Pittsburgh Pirates | 155 | 2.018 | From transactions |
| 2021 | Boston Red Sox, Seattle Mariners | 132 | 2.150 | From transactions |
| 2022 | Boston Red Sox, Seattle Mariners | 0 | 2.150 | Carried forward |
| 2023 | Oakland Athletics | 105 | 3.083 | From transactions |
| 2024 | New York Mets | 0 | 3.083 | From transactions |
| 2025 | New York Mets | 0 | 3.083 | From transactions |
| 2026 | Chicago Cubs | 7 | 3.090 | 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.