'Everything starts with the quarterback, and now that Tyrod Taylor has won the competition for the starting job, the fifth-year pro has much to prove for the Bills. Considering he's thrown only 35 passes in his NFL career, Taylor is an unproven commodity. Above all else, Taylor has to show that his playing style can hold up over the course of the season. Can he hang in the pocket and make throws down the field? Can he be a productive runner while staying healthy? Will teams catch on to him quickly? Time will tell.'