Rickey Henderson

New York Mets' Rickey Henderson, left, is picked off of first base by San Francisco Giants first baseman J.T. Snow (6) in the seventh inning, Sept. 7, 1999 at Shea Stadium in New York.  (AP Photo)

Bad Free Agent Signings: Rickey Henderson

In December 1998, Rickey Henderson joined his sixth club, the New York Mets, as a free agent. The following year was filled with ups and downs for the future Hall of Famer. He exceeded all expectations — batting .315, getting on base at a .423 clip, and stealing 37 bases…