Last with Tampa Bay Rays · 1B · No longer on a 40-man roster
Dan Johnson has an estimated 6 years and 47 days of major league service time — 6.047 in the notation clubs use, from 1079 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2005 | Oakland Athletics | 129 | 0.129 | From transactions |
| 2006 | Oakland Athletics | 172 | 1.129 | From transactions |
| 2007 | Oakland Athletics | 172 | 2.129 | From transactions |
| 2008 | Oakland Athletics, Tampa Bay Rays | 172 | 3.129 | Carried forward |
| 2009 | Oakland Athletics, Tampa Bay Rays | 0 | 3.129 | Carried forward |
| 2010 | Tampa Bay Rays | 62 | 4.019 | From transactions |
| 2011 | Tampa Bay Rays | 65 | 4.084 | From transactions |
| 2012 | Chicago White Sox | 33 | 4.117 | From transactions |
| 2013 | Baltimore Orioles | 172 | 5.117 | From transactions |
| 2014 | Toronto Blue Jays | 80 | 6.025 | From transactions |
| 2015 | St. Louis Cardinals | 22 | 6.047 | 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.