Corona del Mar 6, Riverside Poly 4 (eight innings): Junior Nolan Dunn hit a game-winning two-run home run in the top of the eighth inning for the visiting Sea Kings in Tuesday's Newport Elks Tournament Frank Lerner Division game.
CdM's Preston Hartsell, a USC signee, sent the game into extra innings with a solo homer in the seventh.
Tanner Ivey threw three scoreless innings and earned the win in relief.
The Sea Kings (1-2) resume tournament play at home against Riverside Martin Luther King on Wednesday at 3 p.m.