Pittsburgh Steelers cornerback Antwon Blake has left the game against the Kansas City Chiefs with an injury. He is being evaluated for a possible concussion.
Blake was injured while attempting to make a shoulder tackle in the second quarter that led to a big play for the Chiefs.
Blake has been replaced in the game by cornerback Ross Cockrell.
The Chiefs lead the Steelers 6-3 with less than two minutes remaining in the first half.