About Diego Castillo

Diego Castillo (born January 18, 1994) is a Dominican professional baseball pitcher for the Tacoma Rainiers, in the Seattle Mariners organization. He previously played in MLB for the Tampa Bay Rays.
Castillo signed with the Tampa Bay Rays as an international free agent in March 2014. He made his professional debut that season with the Dominican Summer League Rays and spent the whole season there, going 3-3 with a 3.96 ERA in 25 innings. In 2015, he played for both the Hudson Valley Renegades and Bowling Green Hot Rods, compiling a combined 1-2 record and 3.03 ERA in 18 relief appearances.