The Chargers are set to embark on an AFC West battle against the Broncos on Sunday.

Here are three things to know about Los Angeles’ Week 8 opponent:

Checking in on a familiar face

The Chargers ended their four-year marriage with running back Melvin Gordon, who wound up signing with the Broncos this past offseason. Gordon, who has shared the backfield with Phillip Lindsay, hasn’t had the season he was hoping for. Not only has he dealt with fumble issues, but he endured in a DUI arrest earlier this month, going 71 miles per hour in a 35 MPH zone. Gordon has 82 carries for 349 yards and four touchdowns, averaging 4.3 yards per carry.

Strong defense

Like in 2015 when they won the Super Bowl, the Broncos have relied on their defense to keep them in games. Denver is coming off a performance where they limited Chiefs quarterback Patrick Mahomes to only 200 passing yards. The Broncos rank 10th in rushing yards allowed per game (109) while ranking 13th in passing yards allowed (230.2). The Chargers have been rock solid on third downs, but it could be a lot more difficult this weekend. The Broncos have held their last two opponents to 4-of-21 on third down (19 percent).

Struggling offense

Denver hasn’t been able to find their groove with second-year quarterback Drew Lock and has new reinforcements. After missing three games with an injury, Lock has four interceptions and zero touchdowns in the past two contests. The offensive unit has only scored one touchdown in eight quarters, ranking 29th in points per game (19.3). The offense will already be without right guard Graham Glasgow, but they could be also be without wide receiver Tim Patrick (hamstring), running back Phillip Lindsay (concussion).