Chicago Cubs trade two-time National League batting champion Bill Madlock
1977 – The Chicago Cubs trade two-time National League batting champion Bill Madlock and infielder Rob Sperring to the San Francisco Giants for outfielder Bobby Murcer, third baseman Steve Ontiveros, and a minor league pitcher. In 1976, Madlock led the NL with a .339 mark, while Murcer hit 23 home runs and 90 RBI. Madlock leaves Chicago having hit .336 for them, which ties him with Riggs Stephenson for the top career average in team history.