New York Yankees trade disgruntled superstar Rickey Henderson
On June 21, 1989, the New York Yankees trade disgruntled superstar Rickey Henderson, hitting only .247 at the time, to the Oakland A’s for outfielder Luis Polonia and pitchers Greg Cadaret and Eric Plunk. Henderson, who had started his major league career with the A’s in 1979, had joined the Yankees in a multi-player trade…