Bills quarterback McCarron getting second opinion on shoulder injury - The Boston Globe
PFF Press Pass – NFL previews for every matchup during preseason Week 2, NFL News, Rankings and Statistics
Will the Jets' Sam Darnold be only member of prized class of NFL rookie QBs to start opener? – The Denver Post
2018 NFL season: Predicting when rookie QBs will start
Bills' Josh Allen no rookie in the huddle, teammates say
AJ McCarron injures shoulder; Allen, Peterman locked in battle for Bills starting QB, NFL News, Rankings and Statistics
PFF Press Pass – NFL previews for every matchup during preseason Week 2, NFL News, Rankings and Statistics
Report: AJ McCarron suffers collarbone fracture against Browns
NFL Preseason Week 4 Roundup: Bills' QB Battle Likely Down to Allen and Peterman, News, Scores, Highlights, Stats, and Rumors