Yahoo Sports reports: Raynel Delgado drove in two runs in the eighth inning in his second major league game to help lift the Houston Astros to a 4-2 win over the Detroit Tigers on Tuesday night. With Houston down 2-1, Delgado hit a single to center field that sent Yainer Diaz and Cam Smith home. The Astros added another run later in the inning, after Joey Loperfido ran home on Jeremy Peña's groundout to first.