but Young was NFL MVP twice in his career so for those years he was the best football player in the world. He also still holds the NFL passing record (I believe).
You could also consider Jack Morris.
5× All-Star (1981, 1984, 1985, 1987, 1991)
4× World Series champion (1984, 1991, 1992, 1993)
World Series MVP (1991)
2× Babe Ruth Award (1984, 1991)
AL strikeouts leader in 1983
Pitched a no-hitter in 1984
Tied MLB record with 14 consecutive opening day starts