Outrighted
Jul 21, 2026
Seattle Mariners sent 3B Miles Mastrobuoni outright to Tacoma Rainiers.
From Seattle MarinersTo Tacoma Rainiers
Miles Mastrobuoni
3BL/R30 yrsUnited StatesActive
Debut: Sep 22, 2022 · Draft: 2016
Birthplace
San Ramon, CA, USA
Season Highlights
HR 0RBI 1OPS .433
Profile
5 Seasons · —
Bio
Position
3B
Bats / Throws
L / R
Birth Date
Oct 31, 1995
Debut
Sep 22, 2022
Season Splits
Splits are shown as stored by team. Some players may have multiple rows after trades.
Seasons: 5 · Hitting: 5 · Pitching: 2 · Fielding: 5
Trade & Transaction History
6 recorded moves.
Trade
Selected
Jul 3, 2026
Seattle Mariners selected the contract of 3B Miles Mastrobuoni from Tacoma Rainiers.
From Tacoma RainiersTo Seattle Mariners
Outrighted
Jun 25, 2026
Seattle Mariners sent 3B Miles Mastrobuoni outright to Tacoma Rainiers.
From Seattle MarinersTo Tacoma Rainiers
Assigned
May 27, 2026
Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers.
From Seattle MarinersTo Tacoma Rainiers
Assigned
May 25, 2026
Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to ACL Mariners.
From Seattle MarinersTo ACL Mariners
Assigned
Apr 8, 2026
Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers.
From Seattle MarinersTo Tacoma Rainiers