Rangers activate Yu Darvish from disabled list to start vs. Rays Author:SI StaffPublish date:Apr 6, 2014Darvish had been on the DL with neck stiffness, and made his final spring training start on March 16.Lisa Blumenfeld/Getty Images Martinez will pitch either Thursday or Friday for Frisco. Latest MLB NewsYoshinobu Yamamoto's Workout Routine Making Impact on Surprise Dodgers TeammateOrioles Starter Closing In On Rotation SpotAstros No Longer Letting Valdez Call PitchesPhillies Moving Elite Prospect Into BullpenWhen Will Manny Machado Play Third Base for Padres? Mike Shildt's Latest Update