Junior Jack Riley threw a four-hitter with eight strikeouts, and Nate Frederick had two hits, including the winning RBI single in the fourth, to lift the 10th-ranked Guardians (11-9) to a postseason berth. Brandon O'Connor added a single and triple and scored the winning run. Tanner Jakola went the distance for the No. 9 Blue Devils (10-7), striking out four. Leominster scored on back-to-back doubles by Nick Cordio and Ryan Lever.
St. Peter-Marian 2, Leominster 1
Wednesday, May. 22, 2013, at Worcester
Updated: Wednesday, May 22, 2013, 9:38 p.m.