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.

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.

The Las Vegas Raiders may have lost to the San Francisco 49ers in Week 2 of the preseason, but they undoubtedly put the rest of the league on notice that they are an improved team. The strides the Raiders made this offseason were more than evident against the 49ers.