Sylvester Stallone reacts to 'I Play Rocky' biopic; says, 'I'm not dead yet, aren't we jumping the gun a little bit?'

Sylvester Stallone is giving a mixed reaction to the new film “I Play Rocky,” which dramatizes how he created the 1976 classic “Rocky.” Speaking Monday at New York’s 92nd Street Y while promoting his memoir “The Steps,” the 78-year-old…