Seattle overcame a four-point deficit in the final 63 seconds after letting a 14-point halftime lead slip away.
Matt Bonner's two free throws gave Toronto an 87-83 advantage, but Rashard Lewis brought Seattle within one by hitting a three-pointer with 1:03 to play.
After Vince Carter missed a jumper for Toronto, Seattle grabbed the rebound and worked the ball to Daniels for what turned out to be the winning shot.
Carter again missed a chance to win it for Toronto at the buzzer.
UPI Sports Results for September 20, 2014
UPI Sports Results for September 19, 2014