UNC Looking For Quality Depth Along The Offensive Line Posted Apr 12, 2020 North Carolina's task along the offensive line is to replace the departures of Charlie Heck and Nick Polino while continuing to build depth. There are no scholarship senior offensive linemen on the 2020 roster. It is a young group. Offensive coordinator Phil Longo said the number of offensive linemen he wants available to play with little to no dropoff is eight. (Inside Carolina)