How Khamzat Chimaev became the ultimate UFC predator ahead of his first title defense

Khamzat Chimaev, known as the 'Chechen Wolf,' is preparing for his first UFC title defense, with former opponents sharing their experiences of facing him inside the Octagon. CBS Sports spoke to previous rivals who described the terrifying reality of competing against Chimaev. The feature examines how the undefeated fighter has developed into one of UFC's most dominant and feared competitors.