The greatest challenge facing the Bills is the decision on quarterback. Expect lively competition in training camp among Nathan Peterman, AJ McCarron, and Josh Allen. Coach McDermott will likely bring Allen along slowly so the starting nod is up for grabs. COMPOUNDING THE UNDERTAINTY ARE GAPS IN THE OFFENSIVE LINE. THE UNIT LOST 2 PRO BOWLERS WHEN ERIE WOOD AND RICHIE INCOGNITO RETIRED. LOOKING TO SEE HOW IT ALL DEVELOPS, WE WATCH FROM THE SIDELINES AS 1BUFFALO.