Chadwick right-hander Greg O’Riordan pitched a no-hitter,...

Chadwick right-hander Greg O’Riordan pitched a no-hitter, the third of his high school career, in the first game Tuesday as the Dolphins clinched the Prep League title with a 13-0, 17-4 sweep over Pacific Christian. The senior is 6-0 with a 1.60 ERA.

Senior first baseman Jill Gorze of Narbonne finished the softball season with a .605 batting average (26 for 43) for the 4-11 Gauchos. She carries a 3.7 grade-point average and will attend UC Berkeley next fall as a business administration major.

Roy Elliott won the 100-meter freestyle and 200 individual medley Friday to lead Mira Costa to the boys swim title at the Ocean League finals.

First-place San Pedro has won nine consecutive Southern-Pacific Conference baseball games.

Who’s Not

Loyola Marymount third baseman Rick Allen, who was hitting .387 with eight home runs and 48 RBIs on April 4, has since hit .247 with three homers and 18 RBIs. He finished the season at .332, .277 in West Coast Athletic Conference games, and last weekend was dropped from the cleanup spot.

The South Bay is traditionally a hotbed for boys high school tennis, but not this year. Heading into the playoffs next week, there are no area teams ranked in the top 10 of the CIF-Southern Section’s four divisions.

Three Carson pitchers issued 14 walks Tuesday as the Colts lost to San Pedro, 15-5, to drop their fourth straight Southern-Pacific Conference game and remain in last place with a 6-9 record.

El Camino College’s baseball team ended its season last week with seven errors in an 11-9 loss to Long Beach.