By Albert Breer From audibles on the field to hospital visits off it, here is why people around him loved the NFL’s best QB ever. There was a reason the Patriots kept a fourth quarterback on the roster in 2000, behind Drew Bledsoe, John Friesz and Michael Bishop. And it wasn’t because Bill Belichick, in his first year, thought Tom Brady would become Tom Brady. It was because Brady was doing all he could just to become a pro football player. Charlie Weis, that team’s offensive coordinator, can recall Brady enlisting the camp-fodder receivers, backs and tight ends, guys destined for, at best, th…