Orioles to promote top pitching prospect Grayson Rodriguez

The Baltimore Orioles are expected to call up top-ranked pitching prospect Grayson Rodriguez to make his first major league start on Wednesday, according to multiple reports.

Rodriguez, 23, was expected to compete for a spot in the Orioles' Opening Day rotation, but the right-hander struggled to a 7.04 ERA in 15 1/3 innings during spring training. He allowed 14 runs (11 earned) in his final 10 2/3 innings of spring, and