NFL Draft Diamonds has recently tagged up with the Fantasy Doctors to bring you the best and up to date information on your Fantasy Football rosters. Keenan Allen recently suffered a back spasm, but it is likely a nerve injury. Dr. Jesse Morse a Sports Medicine and Regenerative Medicine Specialist at the Osteopathic Center breaks down the injury to Allen. How long could he miss? Check out what Dr. Morse says about Keenan Allen moving forward.