Number 21 is the on the uniform of the player tagging at home plate.
A baseball player wearing the number 21 on the back of his jersey is attempting to get another player out before he finishes sliding on to a base.
A guy named DEROLF wearing a shirt with the number 4 on it.
Number 4 and 21 try to stop the other player from touching base.
A player from the blue team slides into base as player 21 and player 4 try to tag him out.