evidence: One of Marvin Hagler's biggest career rivals, Thomas Hearns, has insinuated that his death happened due to the after-effects of the COVID-19 vaccine. [...] With Marvin Hagler's condition deteriorating, hours before his death, Hearns uploaded a picture of 'Marvelous' to his social media. The caption suggested that the former champion was sick because of his recent vaccination against the coronavirus. [...] "We are very sad to report that Marvelous Marvin Hagler died on March 13 of natural causes near his home in New Hampshire. He was a champion until the end."