Home WEEI 93.7 Sports Celtics Quiz: How much Celtics playoff history do you know? Quiz: How much Celtics playoff history do you know? Photo credit Greg M. Cooper/USA Today Sports By WEEI, WEEI 93.7 With the Celtics back in the Eastern Conference Finals, let's see how much Celtics playoff history you know. Take the quiz below and enter to win a $50 gift card from Legal Sea Foods! celtics NBA playoffs Quiz Green Street Featured Local Savings Featured Local Savings