Ron Leary left the game in the fourth quarter and headed to the locker room for evaluation of a concussion.
“It was more precautionary,” Leary said. “I’m fine.”
Leary said he still had a “little bit” of a headache.
Joe Looney, signed as a free agent during the offseason, replaced Leary. The Cowboys lost their starting left guard, with La’el Collins going on injured reserve with a torn ligament in his right big toe.
Leary has started the past six games.
Looney had played only 14 offensive snaps before Sunday, mostly as a sixth offensive lineman. But he has made 10 career starts, including six last season with the Titans.
“It felt great to play next to these guys,” Looney said. “It’s an honor to be on this offensive line. You hate to see guys go down, but it’s a good opportunity for me to get some reps and play next to great offensive linemen.
“I hope Ron’s ready for next week, but if not, I’ll be ready to go.”