Hiroya Miyagi gave struggling Orix another highlight on Sunday, allowing a run over 7-2/3 innings in a 5-4, 10-inning win over the Nippon Ham Fighters. The 23-year-old lefty, who pitched for Japan in last year’s World Baseball Classic and has expressed an interest in playing in Major League Baseball, allowed his first run in four starts with two outs in the eighth inning at Es Con Field Hokkaido outside Sapporo. Miyagi pitched out of a first-inning bases-loaded jam, but with some good hop on his fastball and excellent command of his forkball, he cruised through the next six innings. He finishe…