Three-time champion Yamamoto retires from Super Formula

Three-time Super Formula champion Naoki Yamamoto has announced his decision to retire from the series following this weekend's season finale at Suzuka.The Nakajima Racing driver, 36, made the announcement via a post on his Instagram page on Tuesday.It effectively calls time on a 15-season spell in Japan's top single-seater series for the factory Honda ace  which yielded titles in 2013, '18 and ...Keep reading