A two-time Olympic champion will be in the NBC broadcast booth commentating on gymnastics during the women's individual all-around final Thursday. Not much of a surprise there. But this athlete, known for inventing some of the most difficult and dangerous flip combinations in his sport, has never set foot in a gymnastics arena.

"I'm hoping to keep it light and funny," said two-time snowboard halfpipe gold medalist Shaun White on Monday afternoon, a day after arriving in London to attend his first summer Olympics.

"I know what it's like to put a run together, or a routine, and how to deal with the pressure of competing and shaking it off if something goes wrong," White said. "We compete in such different sports, but we all have so much in common."

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