A look at the injury reports of the Chargers and the San Francisco 49ers as we head into Week 4 of the season.

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This Sunday, the Chargers will continue to be without a few key players, including Joey Bosa, Joe Barksdale and Kyzir White.

Bosa revealed in a Wednesday locker room interview that having never dealt with a foot injury before, he's taking it slow and making sure to not rush the healing process.

As for Barksdale, who suffered a knee injury in the season opener against Kansas City, Head Coach Anthony Lynn ruled him out earlier this week as well.

Meanwhile, White was added to the injury report on Thursday with a knee ailment after a full practice Wednesday.

"He's had some soreness in that knee, and after the game it got a little sore," Lynn said. "He just wasn't able to go this week."

Wide receiver Keenan Allen has also been dealing with knee soreness as well as a tooth issue all week, but is questionable for Sunday. Nonetheless, Lynn sounded optimistic about his availability.

"He moved around well today," Lynn remarked. "Keenan is going to be fine. The knee was sore after the game, so we gave him some time off, but he had a toothache so we let him get his tooth fixed yesterday and he's fine. … I feel comfortable Keenan's going to be available."

Travis Benjamin is also questionable for the third straight week. He will give it a go during pregame warmups before a decision is made regarding his availability.