Patriots head coach Bill Belichick is not known for displaying a magnificent repertoire of emotions, especially happy ones, but 3-time title-winning boss certainly provides us with a bevy of priceless grumpy reactions. While New England appears to have righted the ship in 2014 after a bumpy start, the losses of two key players in Stevan Ridley and Jerod Mayo will certainly produce a few more unhappy looks from Belichick.
Browse through 50 of his grumpiest faces throughout his legendary career, including this beauty: