The Athletics designated Maldonado for assignment Thursday, Martin Gallegos of MLB.com reports.
The Athletics claimed Maldonado off waivers from the Marlins on Monday.
The Marlins recalled Maldonado from Triple-A Jacksonville on Tuesday.
The Marlins optioned Maldonado to Triple-A Jacksonville on Saturday.
The Marlins recalled Maldonado from Triple-A Jacksonville on Tuesday.
The Marlins optioned Maldonado to Triple-A Jacksonville on Thursday, Christina De Nicola of MLB.com reports.
The Marlins recalled Maldonado from Triple-A Jacksonville on Wednesday.
Maldonado was optioned to Triple-A Jacksonville on Sunday.
Maldonado came away with a no-decision in Friday's 3-1 loss to the Nationals, allowing three hits over three scoreless innings. He struck out two without walking a batter.
The Marlins recalled Maldonado from Triple-A Jacksonville on Friday.