Penn ended the first 15 minutes with a 21 - 6 lead .
Harvard put up 19 unanswered points in the second quarter to head into halftime with a 25 - 21 advantage .
Although Penn ended the first 15 minutes with a 21 - 6 lead , Harvard put up 19 unanswered points in the second quarter to head into halftime with a 25 - 21 advantage .