During the Cornell/Harvard hockey match, before Oliver enters the penalty box, his hockey jersey is almost spotless. After he sits down and takes off his helmet, a large blood smear appears on his jersey near his shoulder.
During HarvardVDartmouth Oliver is seen wearing #7 jersey for Harvard. In the penalty box he tells Jenny that he is concentrating on how he is going to total the Dartmouth player who had him sent to the box. He points to the Dartmouth player who at this point has just taken down another Harvard player that is clearly wearing #7.