Check out what #49ers DB Malik Mustapha had to say on Twitter after getting trucked on a touchdown run by #Chiefs QB Patrick ...

The Kansas City Chiefs managed to keep their undefeated record intact against the San Francisco 49ers in Week 7, and while ...

The San Francisco 49ers took potentially more than one loss against the Kansas City Chiefs. All-Pro wide receiver Brandon ...

San Francisco 49ers rookie wide receiver Ricky Pearsall reflected on making his NFL debut on Sunday after being shot in the ...

The San Francisco 49ers' Super Bowl hangover isn't going away easily, with the Kansas City Chiefs sending them below .500 on ...

The Kansas City Chiefs and San Francisco 49ers are currently battling each other for the first time since the Super Bowl last ...

San Francisco 49ers rookie receiver Ricky Pearsall made his NFL debut exactly 50 days after being shot in the chest during a ...

Chiefs safety Bryan Cook appeared to take a shot at Trent Williams, who responded by punching Cook in the back of the helmet.

The 49ers were without three of their top playmakers for much of the matchup, with running back Christian McCaffrey (Achilles ...

The San Francisco 49ers lost their Super Bowl rematch to the Kansas City Chiefs on Sunday, 28-18, but they may have lost a ...

San Francisco 49ers wide receiver Brandon Aiyuk might have suffered a significant injury in Sunday's loss to the Kansas City ...

Latest injury update on Brandon Aiyuk, who injured his leg and was carted off during the 49ers' game against the Chiefs on ...