Herath, H.M.U.K.K.; Weerakkody, P.P.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
Baseball is a famous game in category of bat and ball section among 18 players. Pitcher is one of the most important players in baseball who throws the ball to the catcher from his mound. Pitchers have to improve their ...