Last with New York Mets · C · No longer on a 40-man roster
Juan Centeno has an estimated 2 years and 32 days of major league service time — 2.032 in the notation clubs use, from 376 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2013 | New York Mets | 22 | 0.022 | From transactions |
| 2014 | New York Mets | 42 | 0.064 | From transactions |
| 2015 | Milwaukee Brewers | 41 | 0.105 | From transactions |
| 2016 | Minnesota Twins | 150 | 1.083 | From transactions |
| 2017 | Houston Astros | 57 | 1.140 | From transactions |
| 2018 | Texas Rangers | 35 | 2.003 | From transactions |
| 2019 | Boston Red Sox | 29 | 2.032 | 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.