It's unusual for an underclassman to declare for the NFL draft before his would-be final college season begins, but Houston defensive tackle Ed Oliver did just that, announcing in March that he intends to enter the 2019 draft. While the news sent shockwaves through the national media due to the timing of his announcement, scouts have been following Oliver's progress since he stepped onto the scene in 2016 as a five-star recruit with a polished game that was ideally suited for the pros.