Feelin' dangerous? These Baker Mayfield helmets have just been signed following his tremendous 2018 Rookie season. This Baker Mayfield Autographed Cleveland Browns Riddell Speed Replica Full Size Helmet - Beckett Certified Authentic comes with a Beckett COA and tamper-evident sticker. Get these autographed helmets before they are gone. All Mayfield items sold out in 2018. Ships out same day. Hop on the Browns bandwagon early, these young Brownie are on their way up.