Camarillo High will play Royal in a...

Camarillo High will play Royal in a Marmonte League baseball opener at 3 p.m. today at Camarillo.

Camarillo (3-1) is ranked No. 2 in The Times’ regional poll and Royal (2-2) features twin brothers Matt and Mike Rainer.

Other events today involving teams from the region include:

College softball: At 2 p.m., Cal State Northridge vs. Florida in PONY tournament at Cal State Fullerton. At 7:30 p.m., Cal State Northridge vs. Fresno State in PONY tournament at Cal State Fullerton.

Men’s tennis: At 1 p.m., Princeton at Pepperdine.

Women’s tennis: At 2 p.m., Ventura at Moorpark.

Men’s volleyball: At 7 p.m., Palomar at Pierce.

High school baseball: At 2 p.m., Cornerstone Christian at Villanova Prep. At 3 p.m., Simi Valley at Westlake, Agoura at Newbury Park, Thousand Oaks at Channel Islands. At 3:15 p.m., Cantwell Sacred Heart vs. Paraclete at Tujunga Senior Field. At 3:30 p.m., St. Bonaventure at Moorpark. At 3:45 p.m., St. Francis vs. Harvard-Westlake at Franklin Field.

High school golf: At 1 p.m., Westlake vs. Simi Valley at Simi Hills GC.

High school softball: At 3:15 p.m., Highland at Apple Valley, Burroughs vs. Louisville at Louise Park, La Canada vs. Harvard-Westlake at Valley College.

High school swimming/diving: At 3 p.m., Quartz Hill vs. Littlerock at Eastside Pool, Newbury Park at Agoura.

Boys’ tennis: At 2:30 p.m., Newbury Park vs. Royal at Rancho Simi Park, Westlake at Camarillo, Thousand Oaks at Agoura. At 3 p.m., Quartz Hill at Barstow, Antelope Valley vs. Valencia at Santa Clarita Park. At 3:15 p.m., Canyon at Alemany, Saugus at La Canada, Royal at Thousand Oaks, Hoover at La Canada, Marshall vs. Village Christian at Studio City Racquet Centre. At 3:30 p.m., Simi Valley at Channel Islands.

High school track and field: At 2 p.m., Poly at Reseda, Sylmar at Monroe, Grant at Canoga Park, Van Nuys at North Hollywood, Granada Hills at Taft, Kennedy at Birmingham, San Fernando at Chatsworth, Cleveland at El Camino Real. At 3 p.m., Agoura at Camarillo, Tehachapi at Paraclete.

Boys’ volleyball: At 2:30 p.m., Kennedy at Chatsworth, Granada Hills at Birmingham. At 2:45 p.m., Taft at Cleveland. At 3:15 p.m., Burbank at Crescenta Valley. At 5 p.m., Canyon at Highland. At 5:30 p.m., Valencia at Quartz Hill. At 6:30 p.m., Thousand Oaks at Camarillo, Newbury Park at Royal, Westlake at Channel Islands, Simi Valley at Agoura.