It's one of the biggest question marks for Louisville football - the offensive line.
John Miller and Jamon Brown were picked in the NFL Draft and Jake Smith signed as a free agent in the NFL. Now, all three of those guys must be replaced by the Cardinals.
Senior Aaron Epps is the leader and the top returning player but there's plenty of newcomers to pick from. U of L coach Chris Klenakis said he has 10 or 11 guys battling for spots on the line.
The Cardinals have finished 15 days of fall camp.
Here's a video from Cardinal Authority previewing the position battle: