Richard Sherman is one of the biggest trash talkers in the entire NFL. He emerged onto the scene with "U mad, bro?" and furthered his state as trash talk king with Michael Crabtree. Richard Sherman is one of the most entertaining players in the league and has been that way on both the San Francisco 49ers and the Seattle Seahawks. When players choose to trash talk Richard Sherman, however, it's been an invitation for interceptions. Richard Sherman feeds off that type of talk and makes him better. Whether you're Baker Mayfield, Tom Brady, or even Michael Crabtree, Richard Sherman will give it to you. If Richard Sherman offers you a handshake, do yourself a favor and shake it. Subscribe.