Keith Hernandez of the Cardinals, Mets, and Indians. SNYs Keith Hernandez discusses the New York Mets re-signing outfielder Yoenis Cespedes to a four-year deal with a full no-trade clause. Mets broadcaster and former NL MVP Keith Hernandez arrives at Citi Field in grand fashion prior to the nightcap of the Mets doubleheader Check out . Keith Hernandez talks about the 1986 Mets team, his memories with Ray Knight and cultivating his hitting skills Check out for our full .