20 wins, 1976. didn't know the name till today but that's a hell of a season.
Their story
Kojiro Ikegaya (池谷公二郎, Ikegaya Kōjirō) was a Japanese professional baseball pitcher, coach and broadcaster who spent his entire 12-season playing career with the Hiroshima Toyo Carp and became one of the defining aces of the club's "Red Helmet" golden era. He died in the early hours of 29 October 2026,…
Kojiro Ikegaya (池谷公二郎, Ikegaya Kōjirō) was a Japanese professional baseball pitcher, coach and broadcaster who spent his entire 12-season playing career with the Hiroshima Toyo Carp and became one of the defining aces of the club's "Red Helmet" golden era. He died in the early hours of 29 October 2026, aged 74, of multiple myeloma, the Carp and Japanese media reported.
Born on 28 June 1952 in Shizuoka, in what is now Aoi Ward of Shizuoka City, Ikegaya pitched from his junior high school days. At Shizuoka Commercial High School he was a back-up in his early years, behind future Yomiuri Giants left-hander Hisao Niura and then senior Hideo Matsushima, before becoming the ace in his third year in 1970. His team won the spring Chubu regional tournament but lost early in the summer prefectural qualifier.
Unable to turn professional straight from school, he joined the Kanasashi Shipbuilding company team, where he earned licences as a sling operator and electrician. The company club folded within a year, and he moved to Nippon Gakki (the Yamaha works team), helping it win the 1972 Intercity Baseball Tournament mainly as a reliever. He had been drafted in the seventh round by the Kintetsu Buffaloes in 1971 but did not sign. Playing for Japan at the 1972 Amateur World Series in Nicaragua, he drew an invitation from the Pittsburgh Pirates, and in 1973 he was named best pitcher at both the Asian Baseball Championship and the first Intercontinental Cup, both won by Japan.
The Carp made him their first-round pick in the 1972 draft, but Nippon Gakki asked him to stay another season, so he joined Hiroshima after the 1973 season. He debuted on 29 June 1974. In 1975, his second year, he won 18 games, second on the staff only to Yoshiro Sotokoba, as the Carp won their first ever Central League pennant. In 1976 he went 20-15 with three saves, a 3.26 ERA and 207 strikeouts over 290 1/3 innings, leading the league in wins and strikeouts and winning the Eiji Sawamura Award, the Best Nine award and the Best Pitcher title. He led the league in strikeouts again in 1977.
Ikegaya was famous for a big, see-saw delivery, swinging his right arm far behind his hip while raising his left arm high, nicknamed the "seesaw" or "gikkon-battan" style. He challenged hitters with high fastballs, and in 1977 he allowed 48 home runs, still the Nippon Professional Baseball single-season record, a mark often described as a badge of an ace who never ran from a fight. Sadaharu Oh later wrote that struggling to keep up with the rise on Ikegaya's fastball was one of the reasons he decided to retire.
He won 12 games for the 1979 Carp, who took the pennant and their first Japan Series. In Game 3 of that series against Kintetsu he became the first pitcher in Carp history to win a Japan Series game. He also pitched for the 1980 champions. A shoulder injury in 1982 marked the start of his decline, and he retired after the 1985 season alongside manager Takeshi Koba. Over 12 seasons he made 325 appearances, going 103-84 with 10 saves, a 4.13 ERA and 1,056 strikeouts, and contributed to three league pennants and two Japan Series titles.
After retiring he became a commentator for Nippon Television and Hiroshima Television. Manager Koji Yamamoto brought him back to the Carp as pitching coach from 1989 to 1992, and he coached Yomiuri Giants pitchers from 1998 to 2001 and again in 2004, serving under Shigeo Nagashima and Tsuneo Horiuchi. He resigned after the 2004 season, when the Giants pitching staff posted what was then the club's worst team ERA. From 2005 he returned to broadcasting for Nippon Television, Hiroshima Television and Radio Nippon, became a familiar face on Hiroshima local television, co-hosted the TV-Ha Lunch programme in 2015, and served as chairman of the Hiroshima Prefecture Community Chest. He was widely remembered for his gentle, humorous commentary and good nature.
In his later years he was seriously ill. He appeared as an intensive-care patient in a 2023 NHK documentary, was treated for pancreatic cancer in the summer of 2024, and still pitched at the Carp Legend Game at Mazda Stadium in November 2025. He continued television work while undergoing treatment until his death in the early hours of 29 October 2026. His younger son, Yosuke Ikegaya, played rugby for Hosei University and Suntory Sungoliath; his elder son runs a yakitori restaurant in Hiroshima.
Biography adapted from Japanese Wikipedia; English Wikipedia; Chugoku Shimbun, NHK, Nikkan Sports, Sponichi, Sports Hochi, Hiroshima TV/NTV, TBS/RCC (29 October 2026); NPB.jp. Wikipedia ↗
In their own words
“I developed it while trying to build tension and hold the ball longer. To me it isn't unorthodox. I think I'm throwing beautifully, like spreading my wings.”
On his famous see-saw delivery (translated from Japanese, as quoted on Japanese Wikipedia)
“If that were today, I would have thought I wanted to take on the challenge! But back then there was no TV coverage and the papers didn't report it. Maybe if I had studied English properly, things would have been different.”
On the Pittsburgh Pirates' interest after the 1972 Amateur World Series (translated, Sports Hochi, 29 October 2026)
“I couldn't get into the pros I wanted to join straight out of high school, and to work at the shipbuilding company I needed qualifications. I can do electric welding and gas cutting, you know.”
On his electrician and sling operator licences (translated, Sports Hochi, 29 October 2026)

From social media
5Posts by Kojiro, and posts about them, kept here so they are not lost.