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Davey Johnson -- a well-known MLB player and manager -- has died ... according to the New York Mets' public relations office.

Jay Horwitz -- a longtime Mets employee -- announced the news on X ... revealing Davey's wife, Susan , told him about his friend passing away. Getty

Johnson died at a hospital in Sarasota, Florida on Friday. Horowitz did not reveal a cause of death.

Johnson kicked off his career in professional baseball as a minor leaguer in 1962 ... before the Baltimore Orioles called him up in 1965. Getty

Davey -- a tremendous fielder -- helped Baltimore win the World Series in 1966 and 1970 ... racking up three All-Star appearances and three Gold Gloves during his eight-season tenure with the team.

Johnson was traded to the Atlanta

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