Athletics manager Bob Melvin announced Friday that Jesse Chavez has been moved back to the bullpen.
The Athletics are expected to keep Jason Hammel in their rotation over Jesse Chavez.
Jesse Chavez was roughed up by the Astros on Monday, allowing six runs over 5 1/3 innings to fall to 8-7.
Jesse Chavez got back in the win column by allowing two earned runs on four hits over 5 1/3 innings Wednesday in a 9-7 victory over the Astros.
Jesse Chavez yielded three runs and 10 hits over 5 2/3 innings in a loss to the Mariners on Saturday.
Jesse Chavez worked six shutout innings, striking out nine, in a 5-0 victory against the Giants on Monday.
Jesse Chavez surrendered five earned runs over five innings Wednesday in the A's loss to the Tigers.
Jesse Chavez lasted six innings and allowed five runs in a 9-5 no-decision against the Marlins on Friday.
Jesse Chavez pitched seven scoreless innings in the A's victory over the Red Sox on Saturday.
Jesse Chavez allowed one run on five hits over six innings in a win over the Yankees on Sunday.
Jesse Chavez yielded three runs -- two earned -- on eight hits over six innings of a loss against the Angels Monday.
Jesse Chavez improved to 5-3, allowing four runs over six innings as the Athletics defeated the Yankees 7-4 on Wednesday.
Jesse Chavez yielded four runs (two earned) in 5 1/3 innings Saturday in a loss to the Blue Jays.
Jesse Chavez allowed two runs in five innings Sunday in a win over the Indians.