Jonas Čepulis (11 August 1939 – 28 May 2015) was a Lithuanian amateur heavyweight boxer who won a silver medal at the 1968 Olympics. He won his first three bouts by technical knockout (TKO), and lost in the finals by TKO to George Foreman.

Čepulis never won a Soviet title, placing second-third in 1965–66 and 1968 and therefore was not selected for the world and European championships. He won Lithuanian titles in 1963–1964, 1966–1967 and 1969–1970 and retired in 1970 with a record of 203 wins out of 230 bouts. He later worked at a Pergalės factory in Kaunas.

George Edward Foreman (born January 10, 1949) is an American former professional boxer, entrepreneur, minister and author. In boxing, he was nicknamed "Big George" and competed between 1967 and 1997. He is a two-time world heavyweight champion and an Olympic gold medalist.

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