Last with Houston Astros · LF · No longer on a 40-man roster
JB Shuck has an estimated 4 years and 31 days of major league service time — 4.031 in the notation clubs use, from 719 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | Houston Astros | 47 | 0.047 | From transactions |
| 2012 | Houston Astros, Los Angeles Angels | 6 | 0.053 | From transactions |
| 2013 | Los Angeles Angels | 172 | 1.053 | From transactions |
| 2014 | Los Angeles Angels, Cleveland Indians | 62 | 1.115 | From transactions |
| 2015 | Chicago White Sox | 172 | 2.115 | From transactions |
| 2016 | Chicago White Sox | 140 | 3.083 | From transactions |
| 2017 | Miami Marlins | 0 | 3.083 | From transactions |
| 2018 | Miami Marlins | 83 | 3.166 | From transactions |
| 2019 | Pittsburgh Pirates | 37 | 4.031 | 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.