Sylvester Stallone stars in "The Expendables," which boasts some of the acting world's best-known tough guys, including Arnold Schwarzenegger, Bruce Willis, Dolph Lundgren, Mickey Rourke and British actor Jason Statham.
The 63-year-old said a fight scene with the wrestling star Stone Cold Steve Austin became so "vicious" that he needed an operation for a hairline fracture and had a metal plate inserted in his neck.
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