Fans of the Boston Celtics tend to look back at the tenure of reserve forward Grant Williams positively, his likable dorkiness and occasional on-court fieriness winning him fans. But there have also been plenty of cringe-worthy moments that have left Celtics fans scratching their head, such as the time the Tennessee alum audaciously proclaimed his intention to make not one but both clutch free throws in a tight contest against the Cleveland Cavaliers.
