[T]he only reason we know Belichick’s weaknesses so well is because his strengths have kept him at the top of the NFL for over a decade. Willing to go “multiple” on both sides of the ball, Belichick is only married to one system: Winning. He’s constantly reinventing, and continually ahead of the rest of the league as a result. Belichick’s chameleon ways as a team builder can lead to some flop acquisitions, and lots of hurt feelings. All the while, the bottom line never changes — Belichick’s Patriots are always at the top.