Late in the fourth quarter, wide receiver Luke Grimm muffed the punt, and it was recovered by the 49ers at the Chargers' 24-yard line. Two plays later, quarterback Carter Bradley and wide receiver Terique Owens connected for a 22-yard touchdown.

The San Francisco 49ers won their preseason battle with the Los Angles Chargers. Here's how PFF grades some of their best and worst performers.

There was a ton of stuff that jumped out in the San Francisco 49ers' preseason win over the Los Angeles Chargers.