Tampa Bay Rays relief pitcher Diego Castillo was added to the major league roster Tuesday. Castillo's call up came as Chris Archer was placed on the disabled list. Castillo has been lights out at Triple-A this season. In 26 1/3 innings, he has 32 strikeouts, seven walks, an ERA of just 1.03, and four saves to his name. At this stage his role, or time frame, with the Rays is unknown. However, if Castillo pitches well he could have a shot at getting saves in the majors, as the Rays have still no[...]