Steelers left tackle Kelvin Beachum carted off with knee injury

The Steelers offense has enough issues at the moment, and it may have just gotten harder for Ben Roethlisberger when he does come back. Steelers left tackle Kelvin Beachum had to be helped off the field, after suffering some degree of left knee injury. A Cardinals player fell into Beachum’s leg while he was engaged, and…