Trade to Mets nearly sent Hernandez into retirement
Keith Hernandez Baseball Stats by Baseball Almanac
New York Yankees -- Alex Rodriguez's first love? Keith Hernandez's Mets - ESPN
Keith Hernandez – Society for American Baseball Research
FOCO Releases Pair of New Keith Hernandez New York Mets Bobbleheads - New York Sports Nation
Keith Hernandez number retirement: Former Mets remember career
Keith Hernandez's baseball memoir. - Jonathan Lethem and Christopher Sorrentino - Bookforum Magazine
Keith Hernandez - Wikipedia
Keith Hernandez Baseball Stats by Baseball Almanac
Keith Hernandez number retirement: Former Mets remember career
Keith Hernandez Net Worth
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Mets Hall of Fame case: Keith Hernandez - Amazin' Avenue