Scott Feldman (shoulder) will undergo an MRI on Wednesday.
Scott Feldman left Tuesday's start against the Mariners with right shoulder discomfort.
Scott Feldman pitched eight scoreless innings, but was left with a no-decision as the Astros fell to the Yankees on Monday.
Scott Feldman allowed just two runs over seven innings in Tuesday's no-decision against the Rays.
Scott Feldman fired six shutout innings Wednesday in the Astros' 2-0 defeat of the Giants.
Scott Feldman allowed two runs in six innings Thursday against the A's.
Scott Feldman pitched decently in Friday's no-decision against the Diamondbacks, allowing three runs on seven hits over 5 1/3 innings.
Scott Feldman was superb in a no-decision against the Royals on Saturday, allowing just one run on four hits over 7 2/3 innings in a game the Astros would lose 2-1 in 10 innings.
Astros activated RHP Scott Feldman from the 15-day disabled list.
Scott Feldman (knee) is scheduled to rejoin the Astros' rotation on Saturday against the Rangers.
Scott Feldman (knee) could begin a minor league rehab assignment on Saturday.
Scott Feldman (knee) resumed throwing from a mound this week.
Astros placed RHP Scott Feldman on the 15-day disabled list, retroactive to May 27, with a right knee meniscus tear.
Scott Feldman gave up only one run in six innings to get the win Tuesday facing the Orioles.