Sports;Born to run

The Braves' latest-model players, bothsleek, still with that new outfielder smell, were idling in thedugout before Thursday's game against the Giants. Even standingstill, they looked fast, the way a 'Vette looks fast in theshowroom. Such speed comes with one inevitable question: Who has the mostof it? Put Michael Bourn and Jose Constanza side by side, drop thegreen flag and have them race on that straightaway between home andfirst. Who wins? "I don't know," Bourn said.