A professional athlete has an advantage on their own turf, but this physical mismatch of Goliath proportions turns logic on its head. WAL Heavyweight Champion Devon Larratt is 6'5" tall and 225 lbs.

Devon Larratt did not immediately support his wife, Jodi, when she showed interest in competitive arm wrestling in 2012. "I thought, Are you f----- crazy?" Larratt says. Now 40 and a recruiter for the ...