"He's got a bruised shoulder at this moment," said Kubiak. "We'll get some pictures of it this evening. He could have gone back in the game. We'll know more tomorrow."
Yates didn't seem to have any doubt that he would be OK for Houston's first ever playoff game next week, telling the team's official website "I'll be fine."
Yates was brought to the locker room after the team's first offensive series. He later returned to the sideline to watch the rest of the game in a baseball cap, and the Texans announced he was removed because of a coach's decision. Yates went 4-of-4 passing for 47 yards.
Yates was replaced by veteran backup Jake Delhomme, who made his first appearance of the season after being signed on Nov. 29 to back up Yates following season-ending injuries to starter Matt Schaub and Matt Leinart. Kubiak said he planned on getting Delhomme some playing time against the Titans as the Texans prepare for the playoffs.
"I truly believe T.J. will be fine," said Delhomme, who said he didn't know how much he would play Sunday. "He's a tough kid."
Delhomme completed 18 of 28 passes for 211 yards and a touchdown.