From established veterans to newcomers looking to make an immediate impact, here are the players I expect to make the biggest difference for Virginia Tech this fall. Ethan Grunkemeyer, QuarterbackEverything starts with the quarterback, and the Penn State transfer is arguably the biggest addition of Virginia Tech's offseason. If Virginia Tech is going to exceed expectations, it likely means Grunkemeyer developed into one of the ACC's more efficient quarterbacks. If Virginia Tech's offense takes the leap many expect, Altuner's development will be a major reason why. Kemari Copeland, Defensive LineFew defenders are as important to Virginia Tech's success as Copeland.