Josh Lewin, veteran play-by-play caller for UCLA, talks the upcoming matchup this weekend and how Chip Kelly is preparing his Bruins for the Week 0 matchup. Leo Luna, co-host of NinersNation and co-founder of 49ers Gold Mine, talks the 49ers and the quarterback battle between Jimmy G and Trey Lance after the second preseason game. RJ Hollis, former Rainbow Warrior and Spectrum Analyst, talks the Rainbow Warriors and the 'Bows in the trenches as they prepare for the Bruins this Saturday.