[AZ Central] Diamondbacks’ Rubby De La Rosa dominates in latest spring outing, but could open season in minors - Rubby De La Rosa was a long shot entering camp to make the team come Opening Day. A spot would need to be cleared for him on the 40 man roster in order to do so. He’s also coming off of his second Tommy John Surgery and just turned 30 years old yesterday. Rubby has been nothing short of dynamic in his two appearances in Spring Training showcasing a promising 98 MPH fastball paired with a slider and changeup.