His competition is newcomer Taylor Elgersma (6-5, 227), who was signed after participating in the Packers' rookie minicamp as a tryout player. An Ontario native, Elgersma won the Canadian equivalent of the Heisman Trophy last year at Wilfrid Laurier University and was a second-round pick (No. 18 overall) in the CFL draft by Winnipeg.

With the first practice of Packers training camp scheduled for July 23, here is the biggest battle, the game-changer, the X-factor and the key to success for Jordan Love and the quarterbacks.