Winning Shot is a Manga/Manhwa/Manhua in english language, Adventure series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Ah Shiyun is a pitcher who doesn’t mind a team’s losing streak, provided that he can play baseball. After continuing his junior high school career with poor results, his life begins to change when he meets “Baek Tae-Oh”, a catcher of the opposing team. This is the story of superb people to throw powerful winning shots at the top of high school baseball!