Yutaro Sugimoto was hit by a pitch on his left hand during his at bat in the fourth inning of tonight’s game against the Seibu Lions at Kyocera Dome. He was pulled from the game and taken to a hospital in Osaka for tests. He was diagnosed with a fracture in the fifth metacarpal. He will be re-evaluated on September 4.
[UPDATE 9/7 @ 5:37am]
The Orix Buffaloes announced on September 6 that Sugimoto had surgery at a hospital in Osaka. He might need about three months before he can resume swinging the bat.
Source: Nikkan Sports 9/6/2018