Bill Belichick's quarterback situations ranked: From Tom Brady to UNC's Billy Edwards Jr.

From Tom Brady and Drew Bledsoe to Vinny Testaverde and several notable backups, UNC's Billy Edwards Jr. now joins a fascinating list of 18 different starting QBs under Bill Belichick spanning the NFL and college level. Slotting all of his signal callers in tiers, here's a glance at who Belichick has worked with as a head coach with varying levels of success.