It does not take a genius or a rocket scientist to figure out that NCAA football is very different than the NFL game. Not only is there a difference in age, development and talent but there is also an abundance of different schemes and play concepts used between college and the pros.
Sometimes this can be a tough adjustment for players transitioning from the college game to the big leagues but the faster a player can notice the differences, understand them and adjust, the better their chance of being successful. Rookie linebacker Devin Bush has been with the Pittsburgh Steelers for a few months now and it sounds like he is already noticing the differences between the two levels.