is a Japanese professional baseball pitcher for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB).
Higashihama pitched in the 3rd grade spring 80th Japanese High School Baseball Invitational Tournament as Okinawa Shogaku High School ace pitcher and won.
He was selected as the Japan national baseball team in the 37th and 38th USA VS Japan Collegiate All-Star Series and 2009 Asian Baseball Championship while attending Asia University.
On October 25, 2012, Higashihama was drafted by the Fukuoka Softbank Hawks first overall pick in the 2012 Nippon Professional Baseball draft.
On April 11, 2013, Higashihama pitched his debut game as a starting pitcher against the Orix Buffaloes. On April 23, he won the game for the first time. In 2013 season, he finished the regular season with a 5 Games pitched, a 3âÂÂ1 WinâÂÂloss record, a 2.83 ERA, a 25 strikeouts in 28 2/3 innings.
In 2014 season, Higashihama finished the regular season with a 7 Games pitched, a 2âÂÂ2 WinâÂÂloss record, a 3.82 ERA, a 30 strikeouts in 35 1/3 innings. And he pitched in the 2014 Japan Series and recorded a hold.
In 2015 season, Higashihama finished the regular season with a 6 Games pitched, a 1âÂÂ2 WinâÂÂloss record, a 4.82 ERA, a 23 strikeouts in 28 innings. And he was selected as the Japan Series roster in the 2015 Japan Series.
In 2016 season, Higashihama finished the regular season with a 23 Games pitched, a 9âÂÂ6 WinâÂÂloss record, a 3.00 ERA, a 100 strikeouts in 135 innings.
In 2017 season, Higashihama finished the regular season with a 16âÂÂ5 WinâÂÂloss record, a 2.64 ERA, a 139 strikeouts in 160 innings and he won the 2017 Pacific League the most wins Champion. And he pitched as a starting pitcher in the 2017 Japan Series.
On May 26, 2018, Higashihama was diagnosed with right shoulder dysfunction and spent two months in rehabilitation. On August 7, he returned in the game against the Chiba Lotte Marines. In 2018 season, he finished the regular season with a 17 Games pitched, a 7âÂÂ5 WinâÂÂloss record, a 3.32 ERA, a 83 strikeouts in 103 innings. On October 10, he was selected Japan national baseball team at the 2018 MLB Japan All-Star Series. On October 31, Higashihama pitched as a starting pitcher and won the game for the first time in the Japan Series .
On June 5, 2019, Higashihama had right elbow surgery and spent the rest of the season on rehabilitation. In 2019 season, he finished the regular season with a 7 Games pitched, a 2âÂÂ2 WinâÂÂloss record, a 6.37 ERA, a 26 strikeouts in 35 1/3 innings.
In the opening game of the 2020 season against the Chiba Lotte Marines on June 19, 2020, Higashihama pitched as his first opening game starter. In 2020 season, he finished the regular season with a 19 Games pitched, a 9âÂÂ2 WinâÂÂloss record, a 2.34 ERA, a 102 strikeouts in 119 innings. However, he was out of the 2020 Japan Series roaster due to poor condition on his right shoulder.
In 2021 season, Higasihama returned to the team on May 26 after a delayed start with a sore right shoulder. he recorded with a 14 Games pitched, a 4âÂÂ4 WinâÂÂloss record, a 3.70 ERA, and a 61 strikeouts in 75.1 innings.
On May 11, 2022, Higashihama threw the third no-hitter in Hawks history and the first since against the Saitama Seibu Lions, and only giving up 2 walks. On July 27, he participated the All-Star Game for the first time in My Navi All-Star Game 2022. In 2022 season, he finished the regular season with a 23 Games pitched, a 10âÂÂ6 WinâÂÂloss record, a 3.11 ERA, and a 94 strikeouts in 136 innings.
In the game against the Chiba Lotte Marines on May 6, 2023, Higashihama teamed up with Hiroki Minei, who joined the Hawks this year, for the first time since their college days, and won the game. In 2023 season, he finished the regular season with a 17 Games pitched, a 6-7 WinâÂÂloss record, a 4.52 ERA, and a 73 strikeouts in 99.2 innings.