Yanmar Hanasaka Stadium (}ヤンマーハナサカスタジアム), a.k.a. “Nagai Ballgame Field” (長居球技場), is a stadium located in Nagai Park, Higashisumiyoshi-ku, Osaka, Japan. It plays host to J.League association football, international rugby, Japan Rugby League One, and X-League American football games. The 24,481-seat stadium is the third stadium in the Nagai Complex, along with Nagai Stadium and Nagai Aid Stadium.