Last with Philadelphia Phillies · P · No longer on a 40-man roster
Ken Giles has an estimated 8 years and 61 days of major league service time — 8.061 in the notation clubs use, from 1437 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2014 | Philadelphia Phillies | 113 | 0.113 | From transactions |
| 2015 | Philadelphia Phillies | 172 | 1.113 | From transactions |
| 2016 | Houston Astros | 172 | 2.113 | From transactions |
| 2017 | Houston Astros | 172 | 3.113 | Carried forward |
| 2018 | Houston Astros, Toronto Blue Jays | 165 | 4.106 | From transactions |
| 2019 | Toronto Blue Jays | 172 | 5.106 | From transactions |
| 2020 | Toronto Blue Jays | 172 | 6.106 | From transactions |
| 2021 | Seattle Mariners | 172 | 7.106 | From transactions |
| 2022 | Seattle Mariners | 127 | 8.061 | 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.