John Harbaugh, the head coach of the New York Giants, is set to face significant challenges as his team prepares for its first training camp. With a number of notable players currently considered "on the bubble," meaning they are close to being cut from the roster, Harbaugh will need to make tough decisions regarding their future with the team. [1] The article highlights that these decisions could be crucial in determining whether certain players will continue to play for their jobs or not. It mentions that John Harbaugh will have to make some tough roster decisions at the end of his first Giants training camp, which is set to begin soon.