FILE -- In this Oct. 13, 1960 file photo, Pittsburgh Pirates fans rush onto the field to congratulate second baseman Bill Mazeroski as he rounds third base after hitting his World Series-winning home run against the New York Yankees in the bottom of the ninth inning at Forbes Field in Pittsburgh, Pa. The Pirates defeated the Yankees 10-9. Baseball's modern ballpark era was ushered in 100 years ago Tuesday when Forbes Field opened. (AP Photo/File)