MLB Draft Tracker: Houston Astros take Brady Aiken first overall Author:SI StaffPublish date:Jun 5, 2014Brady Aiken became the first high school pitcher to be taken No. 1 since Brien Taylor in 1991.Four-Seam Images/APLatest 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