Christophel worked most recently with the Arizona Cardinals (2013-17), serving as the team's tight ends coach. In 2017, Christophel helped develop rookie free agent Ricky Seals-Jones – a converted college wide receiver – who caught three touchdown passes, tied for the eighth-most among all rookies. The tight ends group combined for six touchdown receptions and 567 yards in 2015, when the Cardinals posted the No. 1 offense and No. 2 scoring offense in the NFL.