Astros sent RHP Lucas Harrell outright to Triple-A Oklahoma City.
Astros designated RHP Lucas Harrell for assignment.
Lucas Harrell struggled again on Tuesday, allowing four runs in five innings in a loss to the Royals.
Lucas Harrell gave up five runs -- four earned -- in 4 1/3 innings to take a loss Wednesday against the Angels.
Lucas Harrell was knocked around for five runs over just three innings Friday in a loss to the Angels.
Lucas Harrell has been announced as one of the Astros' five starters.
Lucas Harrell bounced back from last week's 10-run shelling to hold the Phillies to one run in 4 1/3 innings on Thursday.
Lucas Harrell was lit up for 10 runs -- nine earned -- and 12 hits in 1 2/3 innings by the Tigers on Saturday.
FOX Sports' Ken Rosenthal reports that Lucas Harrell is drawing trade interest.
Lucas Harrell was hammered in a spot start against the Athletics on Sunday, allowing seven runs on seven hits over his three innings.
Lucas Harrell was pummeled for nine runs -- seven earned -- in 2 1/3 innings by the Rangers on Monday.
Lucas Harrell allowed four runs in 5 1/3 innings in a loss to the Orioles on Tuesday.
Astros general manager Jeff Luhnow said Tuesday that Lucas Harrell was removed from the team's rotation, in part, to "get his mind cleared."
Lucas Harrell has been removed from the Astros' rotation.