Last with Chicago White Sox · C · No longer on a 40-man roster
Kevan Smith has an estimated 4 years and 71 days of major league service time — 4.071 in the notation clubs use, from 759 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2016 | Chicago White Sox | 32 | 0.032 | From transactions |
| 2017 | Chicago White Sox | 154 | 1.014 | From transactions |
| 2018 | Chicago White Sox | 142 | 1.156 | From transactions |
| 2019 | Los Angeles Angels | 172 | 2.156 | From transactions |
| 2020 | Tampa Bay Rays | 130 | 3.114 | From transactions |
| 2021 | Tampa Bay Rays, Atlanta Braves | 129 | 4.071 | 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.