 There are also more recent movements to retire number 34 for Kerry Wood, number 21 for Sammy Sosa, and number 17 for Mark Grace.On September 23, 1908, the Cubs and New York Giants were involved in a tight pennant race.The two clubs were tied in the bottom of the ninth inning at the Polo Grounds, and N.Y. had runners on first and third and two outs when Al Bridwell singled, scoring Moose McCormick from third with the Giants' apparent winning run, but the runner on first base, rookie Fred Merkle, left the field without touching second base.