Every team wants to put the best team on the field. They want the best players possible. But they have to deal with the salary cap, which means getting the best players under the best deals in the market. Some players you have to overpay for or simply end up overpaying. Others are underpaid.
Former agent Joel Corry attempted to put together the perfect salary cap team. There were some Arizona Cardinals on that team.
He deems Aaron Rodgers worth the more than $18 million price tag and then uses Zach Mettenberger as his backup.