NFL Mock Draft Week 15: Raiders build dynasty through defenseByGeorge Stockburger|Share on FacebookShare on XCopy ArticleShare on FacebookShare on XShare on RedditCopy ArticlePrev8 of 32NextSep 13, 2014; Oxford, MS, USA; Mississippi Rebels defensive tackle Robert Nkemdiche (5) steps up to the line during the game against the Louisiana-Lafayette Ragin Cajuns at Vaught-Hemingway Stadium. Mandatory Credit: Spruce Derden-USA TODAY SportsNext: Miami DolphinsNextHome/Arizona Cardinals