LaAdrian Waddle injury: Lions RT out for season

It's been a tough season for Detroit Lions right tackle LaAdrian Waddle. He injured his calf on the first drive of the regular season, and he's been a regular on the injury report this year with a variety of ailments.

Waddle's latest injury is severe enough that he's headed to injured reserve. According to the Free Press, Waddle partially tore his left ACL on Sunday against the Minnesota Vikings. The injury was bad enough that Waddle had to be carted off the field, and now the Lions are going to place him on injured reserve.

The expectation is that rookie Cornelius Lucas will step in as the Lions' starting right tackle. Earlier in the season, Garrett Reynolds stepped in as the starter when Waddle was hurt, but Lucas saw some playing time as well. Lately, Lucas has been the primary backup at both tackle spots, so it looks like the right tackle job belongs to him going forward.

In terms of adding extra depth, former tight end Michael Williams is the lone offensive tackle on the practice squad. If the Lions feel that they need an extra tackle, chances are he will simply be promoted to the 53-man roster.