(SAN DIEGO) The PLNU Track & Field Invitational on Saturday marked the final home meet for longtime Point Loma Head Coach Jerry Arvin , who will be retiring after this season. It sure was a memorable one. The Sea Lions overcame rainy conditions to win three individual events and finish in the top-five in a host of others. Anessa Chirgwin won the discus throw for the second-straight meet and for the third time overall this season, placing first with a mark of 44.74 meters. 🚨 Anessa Chirgwin wins the discus at the PLNU Track & Field Invitational with a mark…