Shogo Nakamura was hit by a pitch in the head during his at bat in the seventh inning (attempting to bunt, left side of the head) against the Rakuten Eagles earlier today. He remained in the game and finished the day with four hits: single to left, walk and a stolen base, single to right, HBP, single to left and a stolen base, and home run to left.
Nakamura was taken to a hospital in Sendai after the game for tests. No abnormalities were discovered. He was diagnosed with a bruise on the left side of his head.
Source: Nikkan Sports 5/5/2016