Michael Rucker

Seattle Mariners · P · Arbitration eligible

Service time3.016
Days credited532
MLB debut2021-07-30

Season by season

SeasonClubDaysRunning totalHow this season is known
2021Chicago Cubs660.066From transactions
2022Chicago Cubs1371.031From transactions
2023Chicago Cubs1221.153From transactions
2024Chicago Cubs, Philadelphia Phillies, Washington Nationals1312.112From transactions
2025Chicago Cubs, Philadelphia Phillies, Washington Nationals02.112Carried forward
2026Seattle Mariners763.016From 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.

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 2026-08-25.

Independent project, not affiliated with or endorsed by Major League Baseball or the MLBPA.