Injuries continue to mount for Steelers

NASHVILLE, Tenn. -- A quarter after losing Pro Bowl center Maurkice Pouncey, the Steelers watched right tackle Marcus Gilbert leave with what is believed to be a right ankle injury.

Gilbert hurt his ankle on a third-down conversion about five minutes into the second quarter. Rookie second-round pick Mike Adams has replaced him. The team announced that Gilbert is probable to return.

The Steelers are now playing without three projected starters on the offensive line -- rookie first-round pick David DeCastro was injured in the preseason -- and all available linemen are in action. No backups are left.