DeForest Buckner, Grover Stewart's hustle steadying Colts' defense: 'Their relentless effort is clear and evident'

It's early in the fourth quarter of Week 1, and the Colts are up by 30 points on the Miami Dolphins.

And DeForest Buckner is chasing down wide receiver Malik Washington to make a tackle with no care for what's on the scoreboard.

Fast-forward to late in the fourth quarter of Week 6, and the Colts are clinging to a four-point lead over the Arizona Cardinals, who just entered the red zone and are seeking a go-ahead touchdown. On first-and-10, Buckner is double-teamed to keep him out of the pocket. Quarterback Jacoby Brissett completes a pass to wide receiver Greg Dortch over the middle of the field. Dortch sheds linebacker Germaine Pratt, but before he can turn upfield he's enveloped by Buckner, who hustled over to make a play and hold Arizona to a three-yard gain.

On the ensuing third-and