PHOENIX, Arizona, April 12. JEFF Commings reports on the second day of preliminaries at the Arena Grand Prix in Mesa, Arizona.

The competition featured such notable names as Missy Franklin, Nathan Adrian, Natalie Coughlin, Katie Ledecky, Ryan Lochte and Tyler Clary, as well as a few other standouts who will be racing for first place at the Skyline Aquatics Center tonight!