The Southwest Premier League hosted 28 clubs from the SoCal Premier League and four (4) invitees participated in the Group Stages of the 2023/24 Raul Briones Cup. Each of the eight groups consisted of four clubs, and each clubs played three group stage matches. The Raul Briones Cup kicked off in December and the Championship Final is held in May at Al Barbour Stadium on the campus of Biola University in La Mirada, CA.
Champions list:
22/23 - FC United Kingdom
21/22 - Pateadores Academy
20/21 - No Tournament
19/20 - No Tournament
18/19 - Buena Park FC
17/18 - FC United Kingdom
16/17 - Real Sociedad Royals
15/16 - FC United Kingdom
14/15 - Artesia DES FC
13/14 - Chivas USA Academy U23
12/13 - Doxa Italia
11/12 - PSA Elite
10/11 - Doxa Italia
09/10 - PSA Elite