There’s a reason or call back ups, and that is their skill level is not up to par with NFL starters. At that point you’re play calling doesn’t expand the contracts because you have to fit into a more limited skill set what your offense to there’s a reason or called back ups, and that is their skill level is not up to par with NFL starters. At that point you’re play calling doesn’t expand the contracts because you have to fit into a more limited skills that what your offense can run through. That next man up BS is just that. There’s not enough elite athletes to complete 32 NFL teams evenly, much less have adequate back ups.