Originally Posted by
fredlufc74
Yes, it's the job of the big boys on the offensive line to protect the pocket but they are the ones who also create space for the FB/HB (also known as running back). They will try and "shift" the defensive line to create the gaps for the runners.
Likewise the defensive line will try and create a hole when they are blitzing down the centre or shrink the ends to blitz of the edge to sack the QB.
It's such an underrated job and they never get a look in for MVP in any game.