The Twins released catcher Diego Cartaya, a former top prospect with the Dodgers, after they claimed Jhonny Pereda off waivers Tuesday.
Cartaya had five hits in 59 at-bats (.085 average) with 40 strikeouts at Class AAA St. Paul this season.
Pereda hit .175 in 19 games with the Oakland Athletics this season, and was assigned to the Saints. Another catcher, Jair Camago, was designated for assignment or release Tuesday.