[header] How to play offensive line defensive line or fullback in football [title] Play the offensive line. [step] The best offensive line can be small but you need to have lots of strength. Always know your assignment in any football position but especially with the offensive line because you could cause a sack. 
[title] Get in your 2 or 3 point stance and do not move until after the ball is snapped. [step] Before the ball is snapped, get braced for assault by the d line and the linebackers.