The San Francisco 49ers made some changes under center for their preseason finale against the Los Angeles Chargers.

Kyle Shanahan may not want to see Mac Jones in extended action, either. Jones had 18 dropbacks last game. Even if Jones plays the first quarter, or even the first half, that leaves three quarters or a full half for Carter Bradley.

While there was quite a bit of player movement this offseason, the 49ers still have a lot of quality talent on their roster. Led by Brock Purdy, the offense has enough talent to be good. However, there is one major question at the wide receiver position.

Last season, there was a bit of an ironic joke about how playing running back for the San Francisco 49ers was arguably the most dangerous job in all of sports. Christian McCaffrey missed all but four games because of Achilles and knee injuries,