Page "Closings and cancellations following the September 11 attacks" Paragraph 47

** Major League Baseball-Baseball Commissioner Bud Selig called off games for one day, extending cancellations for three days, then all games through September 16 were postponed.

The games were tacked on to the end of the regular season, delaying the postseason until October 4.

This was the third time in MLB history that games were cancelled due to war or national security reasons.

Games were cancelled on D-Day and the 1918 season was shortened due to World War I.