Career
His trainer was Constantin Nour. 1st round bye
Defeated Trevor Berbick (Jamaica) 5-0
Defeated Atanas Suvandzhiev (Bulgaria) 4-1
Defeated Clarence Hill (Bermuda) 5-0
Lost to Teófilo Stevenson (Cuba) TKO by 3
Şimon defected in 1978, and turned pro in United States in the heavyweight division. He had pretty limited success and retired at the end of 1979 after the loss against Leroy Caldwell.
He held a 12-1-1 with 10 KO"s pro record.