Two-time defending national champion South Carolina and No. 1 national seed Florida will face difficult tasks just to get back to the College World Series in two weeks.
UCLA is the No. 1 team in the RPI and Baylor and North Carolina, among others, could make deep runs.
Southeastern Conference regular-season champion LSU (43-16) earned the No. 7 national seed and features conference player of the year Raph Rhymes, who's batting a nation-leading .459.
Pac-12 co-champion UCLA (42-14) is the No. 2 national seed and playing a home regional for the third year in a row.