Bleich (3-1) allowed four hits and did not issue a walk to win his third straight start and reduce his Hawaii Winter Baseball ERA to 2.05. In 30 2/3 innings over six starts, he has struck out 31 and walked nine.
The Yankees selected Bleich with the 44th overall pick in the June First-Year Player Draft out of Stanford University. He made one start for short-season Staten Island before joining the BeachBoys (17-13).
Javy Guerra allowed three hits in two innings, fellow Dodgers farmhand David Pfeiffer tossed a hitless eighth and Jeremy Papelbon (Cubs) pitched the ninth for his league-leading sixth save.
The win extended Waikiki's lead over Honolulu (14-15) in the East Division to 2 1/2 games.
Tommy Giles (Dodgers) singled in the third and scored on a triple by Cubs prospect Tony Thomas, who came home on a base hit by Reds' first-rounder Yonder Alonso.
Sharks starter Satoshi Nagai (3-2) of Japan's Tohoku Rakuten Golden Eagles allowed two runs on three hits and four walks with two strikeouts over 4 2/3 innings. The 24-year-old right-hander leads HWB with 37 strikeouts over 34 2/3 innings.
Mets infield prospect Greg Veloz had two hits for Honolulu.
Steve Conley is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.