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On Friday, the U.S. went with former University of Florida running back Jeff Demps, Darvis Patton, Trell Kimmons and Gatlin. Tyson Gay, who finished fourth in the 100 and is still in search of his first Olympic medal, figures to be added to the relay team for the final.

The American men are back in the final after missing it in Beijing when Patton and Gay mishandled the baton exchange in a preliminary heat.

Jamaica wound up winning the gold, one of Bolt’s three record-breaking runs in 2008 when he won the 100, 200 and 4x100.

He can repeat that trio of titles Saturday by joining the likely holdovers from the semifinal victory: Nesta Carter, Michael Frater and Yohan Blake, the silver medalist in the 100 and 200.

“We’ve got guys that have been running good and we’ve got Usain Bolt, who’s going to run a fast time,” Blake said. “It’s going to be interesting.”