What happened: Former Denver Broncos running back Clinton Portis recounted purchasing two new Mercedes-Benz vehicles prior to a 2003 matchup against the Kansas City Chiefs to deliberately increase pressure on his performance. During the Week 14 contest, Portis delivered one of the most prolific statistical showings in modern league history, posting the second-most fantasy points by a running back in a single game in the Super Bowl era.

Why it matters: The 2003 AFC West meeting stands as a historic benchmark for individual single-game dominance at the running back position. Portis's recollection underscores the personal stakes and psychological motivation that shaped one of the era's most memorable rivalry performances.

What to watch: Both franchises continue their 2026 campaigns in the AFC playoff race, with Denver entering its bye week at 7-2 and Kansas City standing at 6-2.