Bills legend Bruce Smith tells TMZ Sports he played a role in bringing Von Miller to his former team ... saying he personally told Buffalo coaches and execs the ex-Rams star is exactly what they need to get to a Super Bowl.
Smith made the revelation in a conversation with us this week ... explaining that prior to Miller's Bills signing this offseason, Smith had a conversation with head coach Sean McDermott and GM Brandon Beane to convince them to go after Miller.
"I told them," Smith said, "I said, 'Look, this is the guy we need rushing the quarterback.