Shin Saijuro

 shin saijuro The ace linebacker of the Ojo White Knights American football team and Sena Kobayakawa's main rival. Known for his obsessive training habits and defensive power, he and Sena initially face off early in the Spring Tournament, where Sena gets a reality check on playing football while Shin discovers the true power of the Speed of Light Pace. After making a promise that they would meet again, he obsessively trained for their eventual rematch, which would not happen until the semi-finals of the Kantō tournament with the Christmas Bowl berth on the line.