6 49ers that need to shine in joint practices with Chargers

There may not be a more important preseason event for the 49ers than their joint practices with the Los Angeles Chargers.

While training camp plays a role in determining the roster, and the preseason games carry some value, head coach Kyle Shanahan said these practices Thursday and Friday against another team are what he’ll be watching closest.

“I’m a lot more into the practices when you scrimmage than the actual game,” Shanahan said. “So you see what you cover with other team over two days, and then you kind of plan you reps accordingly to that.”

With that in mind, here are some 49ers that need to stand out in their two practices down in Southern California: