The San Francisco 49ers defeated the Las Vegas Raiders 22-19 on a 59 yard walk-off field goal by Jake Moody on Saturday afternoon at Allegiant Stadium. ... one of the five field goals he nailed on the afternoon.

With any loss -- even in preseason -- mistakes were made. We look at the primary culprits aka Busters in the Raiders preseason matchup with the 49ers.

Raiders fans aren't the only ones optimistic about the Raiders making a big jump this season. ESPN is fully on board as well.

The offensive side had the bigger moves as the Raiders traded for quarterback Geno Smith and used the sixth overall pick to select running back Ashton Jeanty. The defense will have far more turnover,