Kendrick Perkins gives his 5 all-time tough guys in the NBA

Kendrick Perkins, Cassidy Hubbarth, Amin Elhassan, and special guest Tony Allen discuss what it means to be a tough guy in the NBA and which players, past and present, define the tough guy moniker. All-NBA defender, Tony Allen, reveals who the toughest covers were in his career. Plus, Perk shares a hilarious story about what Steven Adams does during the offseason: