"He just flat out beat me," Bolt said. "I think I did pretty well, but he's the better man on this day."

Spearmon, who had a false start then stumbled out of the blocks at the next gun, went 20.05, edging U.S. teammate Rodney Martin, who had a personal-best 20.06. Runner-up to Justin Gatlin in 2003, Spearmon expected better.

"I got a medal," Spearmon said. "It's supposed to be a pat on the back, but right now it's like a spit in the face."

Gay's sweep of the 100 and 200 events duplicated Gatlin's achievement at the 2003 world championships in Helsinki. Gatlin is absent at these worlds, because he's appealing a possible eight-year ban after testing positive for testosterone and other steroids in April 2006.

The only other sprinter to complete the 100-200 sweep at the worlds was fellow American Maurice Greene in Seville, Spain, in 1999.

Despite a sore left hamstring, Gay has a shot at one more gold medal in the 400-meter relay Saturday. Only two other U.S. athletes - Carl Lewis (1983, 1987) and Greene (1999) - have won three golds at a world championships.

Thursday's success helped Gay erase a bad memory from Helsinki, where he faded to fourth in the 200.

The former Arkansas sprinter is making strides off the track, too, overcoming his natural shyness to deal with the attention that's bound to grow as the 2008 Beijing Olympics approach.

"I think I'll be prepared," he said. "I'm learning to handle more media. This is the first year I've received this much attention. I think next year I'm going to work even harder. I worked hard this year, but I know I can work harder."

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