Steven Tyler Calls Out Rocky In Vicious Backstage Fight!

Aerosmith frontman Steven Tyler shared footage of his vicious preshow boxing routine, while in Vegas for their "Deuces Are Wild" residency. At a swingin' 71 years old, it's no surprise Tyler screamed out in pain at one point, but seemed to recover by the end. While his hair appears heavier than the rest of his body, apparently he still thinks he has what it takes, because he went on to challenge Sylvester Stallone to a fight! Have a look...