Why the Badgers are dealing with depth issues along the offensive line

Mark Stewart / Milwaukee Journal Sentinel / USA TODAY NETWORKThe Wisconsin Badgers continued their spring practices this week, conducting their second on Tuesday and third on Thursday.

There’ve been a number of position battles that have started to take place, but one position where the starters seem to be set is the offensive line.

Jack Nelson, Riley Mahlman, and Joe Huber return as starters at left tackle, right tackle, and right guard, respectively.

In addition, Jake Renfro is resuming his spot at center after not playing last year due to multiple foot injuries, while Joe Brunner, one of the program’s more heralded young guys, is taking over at left guard.

However, the Badgers are dealing…