Virtual reality played a role in transforming Case Keenum's game

The Case Files: Each day leading into the Minnesota Vikings' divisional-round matchup, get to know more about Minnesota quarterback Case Keenum with a series of short stories told by those who have been part of his journey.

We all know Case Keenum is a workhorse.

First guy in, last guy out, film-room junkie, a work ethic that’s second to none, etc., etc. It’s something that has been well-documented by his coaches and teammates, both current and former. The quarterback’s meticulous attention to detail and tireless preparation isn’t something he takes lightly. He said so himself just about every time he was asked this season how he stayed sharp during a period when it wasn’t exactly clear how…