Brett Oberholtzer was ejected from Saturday's game against the Yankees for throwing at Alex Rodriguez.
Brett Oberholtzer limited the Angels to two runs in 5 2/3 innings, but suffered a loss on Monday.
Brett Oberholtzer fired eight scoreless innings in Friday's 10-0 win over the Mariners.
Brett Oberholtzer was tagged for four runs (two earned) over 3 2/3 innings Saturday against the Blue Jays.
Brett Oberholtzer, making his first start since May 13, pitched well in a no-decision, yielding two runs in 5 1/3 innings as the Astros won on Monday.
Astros activated LHP Brett Oberholtzer from the 15-day disabled list.
Brett Oberholtzer (blister) is expected to be activated from the disabled list to start on Monday versus the Orioles.
Brett Oberholtzer (blister) is set to begin a rehab assignment Wednesday with Triple-A Fresno.
Brett Oberholtzer (blister) is expected to make a rehab start late this week at Triple-A Fresno.
Brett Oberholtzer (blister) is expected to throw a live batting practice session on Sunday.
Brett Oberholtzer (blister) threw a successful bullpen session without issues on Thursday and is expected to head out on a minor league rehab assignment.
Brett Oberholtzer (blister) will throw live batting practice after another bullpen session on Thursday.
Brett Oberholtzer (blister) will throw a bullpen session Tuesday.
Astros placed LHP Brett Oberholtzer on the 15-day disabled list with a blister on his pitching hand.