Tennessee Titans outside linebacker Arden Key is set to face a six-game suspension for violating the league's performance-enhancing drug policy. This suspension poses a significant challenge for the Titans' defense, as Key was expected to be a key starter. The team will need to rely on other players to fill the void left by Key during a tough stretch of games.

• Arden Key's suspension is a major setback for the Titans' defense.
• The Titans will face a challenging schedule without Key.