With the CaneFires trailing, 1-0, Pirates farmhand Miles Durham drew a one-out walk and pitcher-turned-first baseman Adam Loewen (Blue Jays) was hit by a pitch before Henson belted his first home run of the fall over the wall in center field. He also singled in the first, going 101 at-bats in Hawaii before leaving the yard.
The 20-year-old infielder hit .265 with 11 homers and 62 RBIs in 127 games this season for Class A Delmarva of the South Atlantic League. A year ago, he was a New York-Penn League All-Star with short-season Aberdeen.
Brewers outfield prospect Caleb Gindl added his second fall homer in the eighth for the CaneFires (15-14), who moved 2 1/2 games in front of the Honu (13-17) in the HWB West Division.
Orioles prospect Sean Gleason (2-2), a 2008 South Atlantic League All-Star, allowed two hits in two scoreless innings for the win and Moises Robles (Pirates) fanned two in the ninth for his fourth save.
West Oahu starter Kyle Bloom allowed one run on one hit while striking out six and walking three over five innings. The 25-year-old left-hander has yielded just one run over 15 innings in his last three starts, striking out 19 and walking six.
Bloom was backed by fellow Pirates prospect Brian Friday, who made three stellar plays at shortstop for the CaneFires.
Indians farmhand Matt Meyer (2-2) allowed three runs on two hits and a walk while recording four outs for the Honu. North Shore starter Jun Hyeok Heo of Korea's Lotte Giants fanned four and allowed three hits over five shutout innings.
Athletics prospect Corey Brown singled in the Honu's lone run in the opening inning.
Steve Conley is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.