"The biggest expectation on them is ball security and blitz pick-up. It's not a matter of just carrying the ball or making people miss. That's actually the easier part of their job. The tougher part is understanding protections, knowing in our league they're going to get twisted and confused and understand how to pick different pressures up and protecting the ball when it's your sixth, seventh, eighth, ninth carry, not your second or third."
http://www.onlineathens.com/sports/20180405/uga-spring-practice-report-rbs-dinged-up-o-lineman-making-move
http://www.onlineathens.com/sports/20180405/uga-spring-practice-report-rbs-dinged-up-o-lineman-making-move