LOS ANGELES (Interstat) — Chase Herrell struck out seven over 5 2/3 strong innings and Andrew Lamb drove in four runs as top-ranked Southern California remained undefeated with a 6-1 victory over Long Beach State on Tuesday night at Los Angeles Memorial Sports Arena.

The Trojans (16-0) scored three runs in the second inning on Lamb’s homer and never trailed. Herrell allowed three hits and one earned run. Lamb added a sacrifice fly in the eighth.

Maddox Riske had an RBI double for USC. Henry Chabot and Gavin Lauridsen combined for 3 1/3 perfect innings of relief.

The Dirtbags (4-12) managed only three hits, with an RBI single from Lina in the fourth accounting for their lone run. Four Long Beach State relievers combined for 6 1/3 scoreless innings after the third.