The Bowie Baysox confirmed a Baltimore Sun report that Orioles top prospect Matt Wieters was added to their roster on Friday. Bowie's Friday night game against the Altoona Curve was rained out, so Wieters will make his Eastern League debut during a doubleheader on Saturday.

Tigers right-hander prospect Brandon Hamilton was demoted from Low-A West Michigan to the GCL-Tigers. Detroit’s tenth-ranked prospect according to Baseball America had a 2.12 WHIP and 8.49 BB/9 in 29.7 innings in the Midwest League.

Angles right field prospect Chris Pettit returns tonight to Double-A Arkansas line up following rehabilitation from broken foot he suffered during the season's first game. The Angles 19th-ranked prospect according to Baseball America had a .949 OPS in 493 at bats with Low-A Cedar Rapids and High-A Rancho Cucamonga last year.