As the San Francisco 49ers prepare for their final preseason game against the Las Vegas Raiders, they focus on avoiding injuries to key players while trimming their roster from 90 to 53 by Tuesday. Notably, the quarterback position remains competitive between Brandon Allen and Joshua Dobbs, while players like Cameron Latu and Isaac Guerendo are also vying for spots. Several players are on the roster bubble, especially in the linebacker position, where Tatum Bethune and Curtis Robinson are fighting for limited slots. Meanwhile, the Raiders' rookie quarterback Carter Bradley will have a crucial opportunity to showcase his abilities during the game, potentially securing a spot as the third-string quarterback. Both teams aim to finalize their lineups before the regular season kicks off next week.