a green grassy hill
a pitcher throwing the ball
a baseball player pitching the ball
he is a baseball pitcher
he is pitching the ball 
he threw the ball with his right hand
he is on the pitcher's mound
a man playing in a baseball game
palm trees behind the baseball field
advertisements on the back wall of the baseball field
a baseball player
a baseball player pitching a pitch on the mound at a game in a baseball field where another man is throwing a ball