Biggest pro football accomplishments: Made the Pro Bowl ten times as a defensive tackle for the 49ers, was voted to the All-Pro team nine times, and was eventually named to the Pro Football Hall of Fame
Biggest pro wrestling accomplishments: Won the NWA World Tag Team Championship four times with the National Wrestling Alliance of San Francisco
The key to his career change: He needed a way to bring in extra income during the offseason.

Back in the 1950s and 1960s when Nomellini played in the NFL, players didn't get paid as much money as they do today. So guys often worked second jobs in the offseason. Nomellini's second job just so happened to involve him wrestling professionally. And he was every bit as successful in the ring as he was on the football field.