Christopher DeVargas Members of the Spring Valley High School football team are pictured during the Las Vegas Sun’s high school football media day at the Red Rock Resort on July 20, 2023. They include, from left, Tipisone Manu and Kaleb Moore. By Ray Brewer (contact) Friday, Aug. 25, 2023 | 11:03 p.m. Tipisone Manu had four rushing touchdowns and 156 rushing yards Friday night for the Spring Valley football team in a 37-6 victory against Bonanza in the Banner Game. Ezekiel Olie and Antwon Lock connected on a 65-yard scoring play for the Grizzlies, who retained possession of the banner…