Pitcher throwing a baseball
The baseball player is a pitcher
Pitcher standing on the pitcher's mound
Three signs on a wall
a baseball player on a baseball field 
a pitcher pitching a ball 
a man standing on one foot 
baseball player throwing a pitch
baseball pitcher wearing baseball uniform
baseball player wear a baseball cap
baseball player pitching with his right hand
baseball player with a baseball mitten
baseball player in a strip uniform
A baseball pitcher
a baseball player on a field throwing a pitch a ball with the pitcher pitching a ball during a game