REBORN! (2006) : 6x159

Gokudera brings a newspaper from the current time from which Yamamoto learns about Namimori Middle's baseball team's consecutive losing streak and how the baseball club may be canceled. He heads to Namimori middle and runs into three first year members of the baseball club and offers to train them for the upcoming game. The next day, Tsuna and his friends watch the game. Namimori middle baseball team becomes discouraged as the mercy rule will be imposed if they can not gain a point. The batter, being one of the three trained by Yamamoto, remembers he should do his best for friends, and hits a home run. Yamamoto feeling satisfied with the team's progress, promises to help Tsuna defeat Byakuran.