Davey Johnson, baseball manager who won World Series with 1986 Mets, dies: What's the cause of his death?

Davey Johnson, the celebrated manager who led the 1986 New York Mets to a World Series victory and a two-time Manager of the Year, has passed away at the age of 82. A three-time World Series champion, including two as a player, Johnson also made the final out of the 1969 World Series as a player for the Mets.