Yuhei hurt his wrist during tonight’s game against the Yomiuri Giants.
Yuhei led off the sixth inning for the Yakult Swallows and grabbed his right wrist after he fouled off the first pitch of the at bat. He walked toward the dugout on the first base side and was concerned about his wrist. He left the field for treatment and did not return. The Swallows replaced him with a pinch-hitter.
Source: Nikkan Sports 6/28/2017
[UPDATE 6/29 @ 12:26am]
Yuhei returned to Tokyo and will be examined at a hospital on June 29.
[UPDATE 6/30 @ 11:39am]
Yuhei was examined at a hospital on June 29 and diagnosed with a fracture in his right hamate. There is a good chance he will require surgery to treat the injury. He might end up missing the rest of the season.
[UPDATE 7/1 @ 4:45pm]
The Swallows announced today that Yuhei will have surgery at a hospital in Tokyo on July 3. He might require two to three months for a full recovery.
Source: Nikkan Sports 7/1/2017
[UPDATE 9/28 @ 11:30am]
Yuhei started in right and batted third against Ni-gun Yomiuri on September 27. He went 1-for-2: RBI single to right in the first, single to right in the third. He was removed on defense in the fourth inning. This was his first game in about three months.
Source: Sports Hochi 9/28/2017