Last with New York Mets · 3B · No longer on a 40-man roster
Luis Guillorme has an estimated 6 years and 31 days of major league service time — 6.031 in the notation clubs use, from 1063 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2018 | New York Mets | 64 | 0.064 | From transactions |
| 2019 | New York Mets | 106 | 0.170 | From transactions |
| 2020 | New York Mets | 169 | 1.167 | From transactions |
| 2021 | New York Mets | 172 | 2.167 | From transactions |
| 2022 | New York Mets | 172 | 3.167 | From transactions |
| 2023 | New York Mets | 164 | 4.159 | From transactions |
| 2024 | Los Angeles Angels, Arizona Diamondbacks, Atlanta Braves | 172 | 5.159 | From transactions |
| 2025 | Houston Astros | 44 | 6.031 | 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.