evidence: The claim: Marvin Hagler's death caused by COVID-19 vaccination [...] The claim that boxing champion Marvin Hagler's death was caused by the COVID-19 vaccine is FALSE, based on our research. The claim originates from former boxer Thomas Hearns' March 14 Instagram post which has since been deleted. Hagler's widow, Kay Hagler, took to Facebook to dispel the misconception that the vaccine had anything to do with her husband's death. [...] - USA TODAY, Jan. 27, "Fact check: Not likely that COVID-19 vaccine was cause of Hank Aaron's death"