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New York Giants head coach Tom Coughlin wearing an New York Police Department cap watches the action on the field during the first half of an NFL football game against the Washington Redskins in Landover, Md., on Sunday, Sept. 11, 2011. (AP Photo/Cliff Owen)

New York Giants head coach Tom Coughlin wearing an New York Police Department cap watches the action on the field during the first half of an NFL football game against the Washington Redskins in Landover, Md., on Sunday, Sept. 11, 2011. (AP Photo/Cliff Owen)

9/11 sports tributes

The sports world paid tribute to the 10th anniversary of the 9/11 attacks.