It took five years of trying, but the Cardinals defense finally played the way Ken Whisenhunt envisioned. Now it's up to Whisenhunt to fix an offense that's been the main reason the team has finished out of the playoffs for the past two seasons.
The defense showed great improvement under Ray Horton, the third defensive coordinator under Whisenhunt in his five years in Arizona. The Cardinals led the league in third-down percentage and were second in red-zone defense.
That unit must concentrate on giving up fewer big plays, but by the end of the season, it was forming into a dominating group.
The offense, meanwhile, hasn't produced since Kurt Warner retired at the end of the 2009 season. The quarterback play has been inconsistent, and improving that will be the top focus of the offseason.
Whisenhunt's first step was to fire quarterbacks coach Chris Miller, who spent three seasons in Arizona. He was also looking at altering other parts of his offensive staff and exp...