Daniel Thomas has head injury

Updated: September 9, 2012, 6:38 PM ET
ESPN.com news services

HOUSTON -- Miami running back Daniel Thomas left Sunday's game against Houston with a head injury and didn't return.

Thomas was injured on a play where he fumbled just before halftime. He remained on a the field for several minutes before walking off unassisted.

Miami's Joe Philbin, in his NFL head coaching debut, said after the game that he had no new information about Thomas' injury.

Thomas had three carries for 11 yards and one reception for 32 yards before he was injured.

Information from The Associated Press was used in this report.