Jun 16, 2014 12:46 Mettenberger's back could be issue in NFL draft Mettenberger's back could be issue in NFL draft Associated Press photo by GERALD HERBERT -- LSU quarterback Zach Mettenberger scrambles in the second half against Florida last Saturday in Tiger Stadium. LSU won 17-6. Advocate story June 16, 2014 Comments A day before the NFL Draft begins, former LSU quarterback Zach Mettenberger is making headlines for a second time this week. NFL teams have flagged the QB over a back condition called spondylolysis, reports NFL.com. LSU trainer Jack Marucci told NFL reporter Ian Rapoport the problem was a non-issue throughout Mettenberger’s senior season at LSU.