The video shows a baseball player, wearing a white uniform with the word "Mariners" written on it, standing on a field. He is holding a baseball in his right hand and a glove in his left hand. The player is seen throwing the ball with his right hand, then catching it with his glove. He repeats this action several times, showing his skill in throwing and catching the ball. The background of the video is a green field with a large advertisement board visible in the distance.