Linebacker Vince Williams was carted off the field during practice today. When it happened, most reports indicated that it didn’t look serious, and that Williams was able to walk under his own power.

Vince Williams taken off the field on a cart. Injury and the severity not yet known.

— Bob Labriola (@BobLabriola) August 12, 2014

Vince Williams leaving on a cart. Walked under his own power.

— Mark Kaboly (@MarkKaboly) August 12, 2014

Vince Williams taken off on cart during #Steelers practice. Didn't look serious

— Dale Lolley (@dlolley_pgh) August 12, 2014

After practice, coach Mike Tomlin revealed that the injury to Williams was a potential concussion. According to Tomlin, there is no news at this time as he is being evaluated.