Last with Toronto Blue Jays · RF · No longer on a 40-man roster
Moisés Sierra has an estimated 1 year and 145 days of major league service time — 1.145 in the notation clubs use, from 317 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2012 | Toronto Blue Jays | 65 | 0.065 | From transactions |
| 2013 | Toronto Blue Jays | 41 | 0.106 | From transactions |
| 2014 | Toronto Blue Jays, Chicago White Sox | 172 | 1.106 | From transactions |
| 2015 | Kansas City Royals, Miami Marlins | 0 | 1.106 | From transactions |
| 2016 | Miami Marlins | 0 | 1.106 | From transactions |
| 2017 | Miami Marlins | 0 | 1.106 | From transactions |
| 2018 | Washington Nationals | 39 | 1.145 | 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.