July 17 vs Yokohama at Yokohama Stadium – Yuhei recorded a hit in his sixth straight pinch-hit plate appearance and set a new Yakult record.
September 5 vs Chunichi at Jingu Stadium – Yuhei blasted the fiftieth home run of his career (sixth inning, off Ryosuke Oguma) and became just the seventh player in NPB history with at least ten wins and fifty home runs.
Source: Sports Hochi 9/6/2018
Yuhei used a bat that weighed 890 grams in 2017. He started experimenting with other bats after he suffered a fractured hamate in his right wrist in late June. One of the bats he tried that he liked was a Norichika Aoki bat that weighed 910 grams. He plans to use the Aoki bat in 2018.
Source: Nikkan Sports 1/1/2018