4/29, 4/30, and 5/1: College Women’s Water Polo: Big West Championships: A guaranteed berth in the NCAA Championships and a possible at-large invitation are at stake in the conference tournament hosted by UCSB. Long Beach State earned the top seed by defeating the Gauchos, 7-6, in the regular-season finale. UC Irvine is No. 2, UCSB No. 3, and defending champion Hawai‘i No. 4. The Gauchos will open their quest for a title Friday afternoon against Cal State Northridge. Senior Lauren Martin (45 goals) and junior Taylor Shore (41 goals, 24 assists) lead UCSB in scoring. Fri.: Hawai‘i vs. UC Davis, noon; UCSB vs. CSUN, 2pm. Sat.: Long Beach State vs. Hawai‘i or UC Davis, noon; UC Irvine vs. UCSB or CSUN, 2pm. Sun: Fifth place, 10am; third place, noon; championship, 2pm. UCSB Campus Pool. $5-$10 (single day), $15-$25 (all sessions). Call 893-UCSB (8272) or visit ucsbgauchos.com.