Post an ऐनीमे character who uses sports equipment as a weapon.

Karin Kurosaki from Bleach. She uses a soccerball

Daisya Barry from D. Gray-Man uses a soccer-like ball as a weapon and at the same time is his Innocence weapon

Conan always use his सॉकर ball to kick the culprits out...

I know Yama kun doesn't use a baseball bat but everytime I read this question, I think of this pic :P

Yuyu Hakusho had Botan use a baseball bat in one arc.