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Passing zone

Passing zone

The 4 x 100-meter relay at the 2007 World Championships

Andy Lyons/Getty Images
The passing zone is a busy place during the 4 x 100-meter relay. Above, four teams make almost simultaneous passes during the 2007 World Championships, including the U.S. duo of passer Darvis Patton (front, right) and receiver Leroy Dixon.

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