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					Originally Posted by CoachJM
					
				 
				mikew, 
 
 
Under OBR this is what is referred to as Type B Obstruction.  
JM 
			
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 Would this not be Type A?   F4 is 'playing' on the runner by forcing him at 3B.  You dont have to tag a runner to be 'playing' on him.
Its the batter-runner who is not being played on.