Miami Marlins · P · Arbitration eligible
Tyler Zuber has an estimated 3 years and 93 days of major league service time — 3.093 in the notation clubs use, from 609 days credited on a major league roster.
| Season | Club | Days | Running total | How this season is known |
|---|---|---|---|---|
| 2020 | Kansas City Royals | 172 | 1.000 | From transactions |
| 2021 | Kansas City Royals | 82 | 1.082 | From transactions |
| 2022 | Kansas City Royals, Arizona Diamondbacks | 172 | 2.082 | From transactions |
| 2023 | Kansas City Royals, Arizona Diamondbacks | 0 | 2.082 | Carried forward |
| 2024 | Tampa Bay Rays | 8 | 2.090 | From transactions |
| 2025 | New York Mets, Miami Marlins | 56 | 2.146 | From transactions |
| 2026 | Miami Marlins | 119 | 3.093 | 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.