Steelers' Beachum out for season with torn ACL

Pittsburgh Steelers left tackle Kelvin Beachum is done for the season with a torn ACL, head coach Mike Tomlin revealed after Sunday's 25-13 victory over the Arizona Cardinals.

Beachum was injured in the second quarter after an opposing defender fell into the side of his knee. He was in tears as he entered the locker room on crutches.

Alejandro Villanueva stepped in after Beachum left the game, and could serve as his replacement moving forward. Offensive tackle Mike Adams is also eligible to start practicing after starting the season on the physically unable to perform list.

Beachum, a seventh-round pick of the Steelers in the 2012 draft, was in the final year of his rookie contract.