Battery is a light novel series that received multiple adaptations over the years, including an anime in 2016.
Takumi Harada is a talented baseball player who is frustrated that no one is able to catch his pitches, until he meets Go Nagakura, a catcher who can catch even the fastest of Takumi's pitches. Thus they grow together as a battery unit in the school baseball team.
Episode 5 Edit
Takumi is beaten by some of his teammates. Later Go finds him, and takes him back to his home to treat his wounds.