Last with Pittsburgh Pirates · 2B · No longer on a 40-man roster
Neil Walker has an estimated 10 years and 135 days of major league service time — 10.135 in the notation clubs use, from 1855 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2009 | Pittsburgh Pirates | 36 | 0.036 | From transactions |
| 2010 | Pittsburgh Pirates | 132 | 0.168 | From transactions |
| 2011 | Pittsburgh Pirates | 172 | 1.168 | Carried forward |
| 2012 | Pittsburgh Pirates | 172 | 2.168 | Carried forward |
| 2013 | Pittsburgh Pirates | 172 | 3.168 | From transactions |
| 2014 | Pittsburgh Pirates | 172 | 4.168 | From transactions |
| 2015 | Pittsburgh Pirates | 172 | 5.168 | From transactions |
| 2016 | New York Mets | 172 | 6.168 | From transactions |
| 2017 | New York Mets, Milwaukee Brewers | 172 | 7.168 | From transactions |
| 2018 | New York Yankees | 172 | 8.168 | From transactions |
| 2019 | Miami Marlins | 172 | 9.168 | From transactions |
| 2020 | Philadelphia Phillies | 139 | 10.135 | 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.