Last with Seattle Mariners · P · No longer on a 40-man roster
Mark Lowe has an estimated 8 years and 143 days of major league service time — 8.143 in the notation clubs use, from 1519 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2006 | Seattle Mariners | 88 | 0.088 | From transactions |
| 2007 | Seattle Mariners | 172 | 1.088 | Carried forward |
| 2008 | Seattle Mariners | 172 | 2.088 | Carried forward |
| 2009 | Seattle Mariners | 172 | 3.088 | Carried forward |
| 2010 | Seattle Mariners, Texas Rangers | 172 | 4.088 | From transactions |
| 2011 | Texas Rangers | 166 | 5.082 | From transactions |
| 2012 | Texas Rangers | 172 | 6.082 | From transactions |
| 2013 | Los Angeles Angels | 59 | 6.141 | From transactions |
| 2014 | Cleveland Indians | 20 | 6.161 | From transactions |
| 2015 | Seattle Mariners, Toronto Blue Jays | 154 | 7.143 | From transactions |
| 2016 | Detroit Tigers | 172 | 8.143 | Carried forward |
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.