What happened: Steelers wide receiver D.K. Metcalf and Colts cornerback Sauce Gardner are set to face off this Sunday. The impending matchup has drawn significant attention across the league.

Why it matters: The confrontation gained additional tension after Metcalf publicly dismissed Gardner, telling reporters he does not worry about what defensive backs do well. The comments set the stage for a physical contest between two of the league's most prominent players.

What to watch: Sunday's game will test whether Gardner can contain Metcalf after the receiver's dismissive comments.