The San Francisco 49ers have demons to slay in Week 7 when they face the Kansas City Chiefs in a rematch of Super Bowl 58.

San Francisco is looking for its first win over the Chiefs since 2014, having lost its last four matchups with Kansas City, including the defeat in the Super Bowl in Las Vegas in February and the similarly heartbreaking loss in Super Bowl 54.

Kansas City's defense of their crown, and bid for an historic three-peat, is off to a strong start. The Chiefs remain unbeaten at 5-0, even though they haven't been overly impressive in terms of overall performances. San Francisco, meanwhile, sits at 3-3 coming off a primetime win over the Seahawks.

Though the Chiefs haven't been at their best, they remain the team to beat. But what has changed about them since the Super Bowl, I spoke to A to Z Sports' Chiefs beat writer Charles Goldman to find out.

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What has been the most significant change with this team since the Super Bowl?

I would have said the wide receiver corps, but it has since been decimated by injury and might actually be worse than the group the 49ers faced in the Super Bowl. Really, the biggest change is probably how great the Chiefs have been against the run game this season. They've virtually shut down players like Derrick Henry, Alvin Kamara, and Bijan Robinson.

Steve Spagnuolo indicated the Chiefs might not be able to play as much man coverage as they did in the Super Bowl without L'Jarius Sneed, how do you expect the Kansas City defense to approach this game?

He's probably just being modest. I think they'll still play a healthy dose of man coverage. This cornerback group hasn't missed a beat with L'Jarius Sneed in Tennessee. Jaylen Watson has emerged as a weapon opposite Trent McDuffie. Watson has more forced incompletions than catches allowed on the season. Nazeeh Johnson isn't too far behind, allowing just 33.3% of targets into his coverage to be completed.

The Chiefs' offense has been efficient but struggled to produce explosives. Do you think it is sustainable for the Chiefs to continue to live primarily off short gains long term?

For the most part, the Chiefs are taking what the opposing defense is giving them. They focused a lot on the explosive plays and bringing it back to the offense this offseason, but that was before Hollywood Brown, Rashee Rice, and Isiah Pacheco were lost to injury. I think there's a sense of just getting by with what they've got and their biggest weapon right now seems to be the power run game with Kareem Hunt, Samaje Perine, and Carson Steele. I would also say that as Patrick Mahomes gains trust in rookie receiver Xavier Worthy, we'll see more explosives in the passing game.

Nick Bosa deserves a cathartic experience in the 49ers’ Week 7 Super Bowl rematch with the Chiefs

He deserves a belated reward.