Who would have thought that at the beginning of July, the baseball world would be applauding three teams from the National League West while remaining vexed with four teams from the National League East? But here we are, and the Los Angeles Dodgers look strong and deep; the Colorado Rockies have been the hottest team in baseball for the last month; and the San Francisco Giants have pitched their way to the top of the N.L. Wild Card race. On a different coast, the Philadelphia Phillies lead t