How can McKenzie equal his draft class of 2014?

Daily Raiders blog for NBC Bay Area website: The Raiders draft class was the best in the NFC West in 2014, but they need GM Reggie McKenzie to score a similar haul in 2015. http://www.nbcbayarea.com/news/sports/Replicating-2014-Draft-Success-a-Key-for-Raiders-291664571.html