McCarty played a limited role in 2012 , both due to injuries and competition from other backs , including Cory Boyd , Hugh Charles , and Jerome Messam . McCarty missed six games due to a high ankle sprain suffered during the Labour Day Rematch . Playing in the other 12 games but starting in none , McCarty rushed only 12 times and made five receptions with a lone rushing touchdown . He added four special @-@ teams tackles .