The Rockets waived Thomas on Wednesday, Michael Scotto of USA Today reports.
Thomas (lower leg) has been ruled out for Sunday's game against the Hawks.
Thomas won't return to Friday's game against the Clippers due to a right lower leg injury, Cayleigh Griffin of AT&T SportsNet Southwest reports.
Thomas agreed to a multiyear contract with the Rockets on Thursday, Kelly Iko of The Athletic reports.
Thomas will start Wednesday's game versus the Lakers, Ryan Ward of LakersNation.com reports.
Thomas produced 18 points (6-16 FG, 2-7 3Pt, 4-4 FT), five assists and four rebounds across 29 minutes in Monday's 140-129 loss to the Trail Blazers.
Thomas recorded 27 points (10-21 FG, 4-12 3Pt, 3-3 FT), five rebounds, five steals, three assists and two blocks across 34 minutes in Saturday's loss to the Jazz.
Thomas (recently signed) could make his Rockets debut Friday against the Bucks, Adam Spolane of Sports Radio 610 Houston reports.
Thomas signed a 10-day contract with the Rockets on Friday.
Thomas is planning to sign with the Rockets, Kelly Iko of The Athletic reports.