Brady (undisclosed) was placed on the minor-league disabled list Thursday.
Brady fired three clean innings in Monday's 7-1 loss to the Mariners, recording a strikeout.
Brady gave up five earned runs on six hits over an inning in Sunday's 10-2 loss to the Mariners.
Brady was called up from Triple-A Nashville on Friday.
Brady was optioned to Triple-A Nashville on Wednesday.
Brady gave up three earned runs on seven hits over 5.1 innings in Saturday's 12-5 loss to the Orioles while also recording five strikeouts.
Brady was called back up by the A's prior to Friday's game against the Orioles.
Brady was optioned to Triple-A Nashville on Wednesday.
Brady gave up four earned runs on five hits, three walks and a wild pitch over six innings in Tuesday's 10-4 loss to the Giants. He struck out four.
Brady was recalled from Triple-A Nashville on Monday, Susan Slusser of the San Francisco Chronicle reports.