State Baseball Southern California First Round Best-of-Three Playoff Match-Ups   Posted on: May 8 2000 3:36PM       Southern California Baseball Regionals Best Two-out-of-Three Series Game times: Friday, May 12, 2 p.m.; Saturday 11 a.m., with a third game to follow 30 minutes after conclusion of first game if necessary.   #16 Mt. San Jacinto College (26-11) at #1 Santa Ana (32-7-1) #15 Grossmont (22-15) at #2 Riverside (31-11-1) #14 El Camino (20-21) at #3 Cuesta (31-11) #13 Rio Hondo (26-12) at #4 Cypress (32-10) #12 Bakersfield (23-18) at #5 East Los Angeles (30-12-1) #11 Southwestern (23-15) at #6 Cerritos (30-11) #10 Golden West (21-20) at #7 Palomar (28-9) #9 Los Angeles Pierce (24-12) at #8 Cerro Coso (24-14)   Seedings determined by conference representatives for the CCC Baseball Coaches Association.