Last with St. Louis Cardinals · SS · No longer on a 40-man roster
Pete Kozma has an estimated 4 years and 91 days of major league service time — 4.091 in the notation clubs use, from 779 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | St. Louis Cardinals | 25 | 0.025 | From transactions |
| 2012 | St. Louis Cardinals | 34 | 0.059 | From transactions |
| 2013 | St. Louis Cardinals | 172 | 1.059 | Carried forward |
| 2014 | St. Louis Cardinals | 55 | 1.114 | From transactions |
| 2015 | St. Louis Cardinals | 172 | 2.114 | From transactions |
| 2016 | St. Louis Cardinals | 0 | 2.114 | Carried forward |
| 2017 | Texas Rangers, New York Yankees | 107 | 3.049 | From transactions |
| 2018 | Detroit Tigers | 42 | 3.091 | From transactions |
| 2019 | Atlanta Braves | 0 | 3.091 | From transactions |
| 2020 | Atlanta Braves, Oakland Athletics | 0 | 3.091 | From transactions |
| 2021 | Oakland Athletics | 172 | 4.091 | 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.