Lazaro Torres, a die-hard Miami Heat fan, was scurrying to reach his seat before tip-off one night last month when he hit an all-too-common roadblock: Two dozen fans stirring impatiently in the security-check line. Not a problem. He slid into a special entrance line, laid two fingers on a print scanner and, with the Heat's rapid blessing, cruised into the arena.

"It's been great," Torres, a 43-year-old season-ticket holder, said of the service, known as

Clear, which offers queue-skipping privileges for six U.S. sports teams including New York's Yankees andMets baseball franchises. His interview was necessarily brief. "I'm running a little late."