Sentence:  The rookie outfielder was waved out before he reached the plate. The reason for the rare <WSD>judgment call</WSD>? According to Rule 7.09 (i), a coach cannot "assist" a runner. 
Meaning of the word marked with <WSD> tags:  A ruling by an umpire, referee, or similar official during a sporting event, based on his or her perception of events and in the absence of any objective measurement.