After some debate, I'm going to go with a guy who had one of the strongest arms ever, led his team to 4 Super Bowl titles. He was a late bloomer, but from 75 on he was a HOF Quarterback. With Chuck Noll already on board, I might as well go with..
Terry Bradshaw.
4 time Super Bowl champion (IX, X, XIII, XIV)
2 time Super Bowl MVP (XIII, XIV)
3 time Pro Bowl selection (1975, 1978, 1979)
4 time All-Pro (1975, 1978, 1979, 1980)
NFL 1970s All-Decade Team
Super Bowl XIV MVP
Super Bowl XIII MVP
1978 NFL MVP