Last with Los Angeles Angels · P · No longer on a 40-man roster
Tyler Chatwood has an estimated 10 years and 38 days of major league service time — 10.038 in the notation clubs use, from 1758 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2011 | Los Angeles Angels | 145 | 0.145 | From transactions |
| 2012 | Colorado Rockies | 94 | 1.067 | From transactions |
| 2013 | Colorado Rockies | 147 | 2.042 | From transactions |
| 2014 | Colorado Rockies | 172 | 3.042 | From transactions |
| 2015 | Colorado Rockies | 172 | 4.042 | From transactions |
| 2016 | Colorado Rockies | 172 | 5.042 | From transactions |
| 2017 | Colorado Rockies | 172 | 6.042 | From transactions |
| 2018 | Chicago Cubs | 172 | 7.042 | From transactions |
| 2019 | Chicago Cubs | 172 | 8.042 | From transactions |
| 2020 | Chicago Cubs | 172 | 9.042 | From transactions |
| 2021 | San Francisco Giants, Toronto Blue Jays | 168 | 10.038 | 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.