Fortunately, it seems as though the decision not to play is just precautionary and the injury is not serious.
“I felt a twinge in the back during practice when I was on the ball,” he told Kyodo news agency. “I had some treatment but didn’t want to risk causing the team trouble by playing. Obviously it’s a shame I wasn’t able to play… It’s not that serious and I don’t think it will keep me out for long.”
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