As a Cowboy fan, I'd love to get him in the 2nd round. Not sure about the 1st round although the Hawkeye in me would be happy with that. Your 1st rounders simply HAVE to pan out. He has the physical ability of a 1st rounder, its all in the effort for Carl.
http://www.dallascowboys.com/news/2015/04/01/possible-pick-iowa's-carl-davis-has-quick-feet-strength-excel-dt
http://www.dallascowboys.com/news/2015/04/01/possible-pick-iowa's-carl-davis-has-quick-feet-strength-excel-dt