Bill Belichick explains what made Peyton Manning so tough to play against Unknown 06:46 We know that Peyton Manning is one of, if not the greatest quarterbacks of all time, but Belichick offered some small detail into what made him so hard to defend. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsNFL free agency rumors: Kelvin Benjamin signing with ChiefsMaryland coach Mike Locksley's bond with McNair family could make him a winning hireCollege Football Awards 2018: Alabama QB Tua Tagovailoa wins Maxwell AwardMets GM says Tim Tebow is 'one step away' from MLB call-upWarriors GM: Kevin Durant, Draymond Green in ‘good place’ after heated argumentHornets G Kemba Walker on if he’s a superstar: ‘I don’t know if I can put myself in that category’