Last with Boston Red Sox · C · No longer on a 40-man roster
Ryan Lavarnway has an estimated 3 years and 144 days of major league service time — 3.144 in the notation clubs use, from 660 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | Boston Red Sox | 32 | 0.032 | From transactions |
| 2012 | Boston Red Sox | 68 | 0.100 | From transactions |
| 2013 | Boston Red Sox | 107 | 1.035 | From transactions |
| 2014 | Boston Red Sox | 98 | 1.133 | From transactions |
| 2015 | Baltimore Orioles, Atlanta Braves | 162 | 2.123 | From transactions |
| 2016 | Toronto Blue Jays, Oakland Athletics | 0 | 2.123 | From transactions |
| 2017 | Oakland Athletics | 12 | 2.135 | From transactions |
| 2018 | Pittsburgh Pirates | 28 | 2.163 | From transactions |
| 2019 | Cincinnati Reds | 10 | 3.001 | From transactions |
| 2020 | Miami Marlins | 47 | 3.048 | From transactions |
| 2021 | Cleveland Indians | 96 | 3.144 | 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.