Tennessee Tech wide receiver Da'Rick Rogers says failed drug tests caused his recent departure from Tennessee. Rogers said Tuesday during a news conference at his new school it was "a couple of drug tests, yes sir." He says it was him "being a young, immature guy. Those are things that I've got to work on and I plan to work on." Read more: http://espn.go.com/college-football...nessee-volunteers-wr-says-drug-tests-led-exit