Gase was the NFL's hottest coaching candidate among assistants, and at 37, talent -- from Peyton Manning to Jay Cutler to Tim Tebow. First shoe drops in NFL coaching carousel as Miami Dolphins reel in Adam Gase. talent — from Peyton Manning to Jay Cutler to Tim Tebow. Gase, 37, becomes the NFL's youngest head coach. The former Bears' offensive coordinator has been credited with making Tim Tebow a.