Training on January 5 – safety squats 230 kilograms x 10 times. He also bench pressed 100 kilograms x 10 times and 110 kilograms x 8 times during an end of the year training session.
Arai has participated in the Goma Gyo (fire ritual) since the 2004 off-season (fourteen consecutive years).
Source: Tokyo Sports 1/12/2018
Arai has so far hit three walk-off home runs during his career:
Arai has nine walk-off hits, six with Hiroshima and three with Hanshin.
Through 2015, Takahiro Arai is 13-for-25 with two home runs and four RBI in thirteen All-Star Games.
All-Star Appearances: 2002, 2005, 2007, 2008, 2013, 2015, 2016
Source: Daily Sports 6/28/2016
April 12 vs Yomiuri Giants at Tokyo Dome – Arai blasted home runs in consecutive bats (second and third innings). It was the twenty-second time he hit two home runs in one game over his career, first since July 12, 2016. At forty years and two months, he is the second player in Hiroshima Carp history over forty to accomplish the feat. The other was Sachio Kinugasa on June 14, 1987 at forty years and four months.
Source: Sponichi 4/13/2017
May 4 vs Chunichi Dragons at Mazda Stadium – Arai recorded a hit against Takuya Mitsuma in the eighth inning. The hit was off the 517th pitcher Arai faced over his career and tied the NPB record held by Motonobu Tanishige.
Source: Sponichi 5/5/2017
May 7 vs Yakult Swallow at Jingu Stadium – Arai recorded a pinch-hit, come-from-behind, three-run home run with two out in the ninth inning.
At forty-years and five months, he became the oldest player in Hiroshima Carp history to record a pinch-hit home run. The previous record of thirty-nine years and ten months was set by Koji Yamamoto on September 11, 1986. Forty-seven home runs have now been hit by players over forty in NPB history. He is the first to record a pinch-hit, come-from-behind home run in the ninth inning with two out.
The pinch-hit home run was the eleventh of his career (tenth in a Hiroshima uniform).
May 23 vs Yomiuri at Hitachinaka – Arai hit a home run in the first inning and at forty-one years and three months, became the oldest player in Carp history to hit a home run. The previous record of forty-one years and zero months was set by Takuro Ishii.
The blast also gave Arai at least one home run in twenty consecutive seasons, beginning with his rookie year.