Boston Celtics defeat San Antonio Spurs, 93-91

SAN ANTONIO - Sam Cassell has nailed numerous clutch shots in his 14-year NBA career.

Last night, he added another to his long résumé as he hit his first big one as a member of the Celtics.

Cassell nailed a late 3-pointer that helped the Celtics to a 93-91 victory over the reigning NBA champion Spurs at a sold-out and playoff-intense AT&T Center. Cassell had 17 points off the bench, and his momentum-changing three with 46.4 seconds left gave Boston an 89-87 lead.

"If...