But it was Walker who made the game's final basket, a 17-foot jumper from the right baseline with 7.6 seconds remaining.
His 3-pointer to tie the score with a little more than seven minutes remaining was the closest Syracuse got until its final basket.
Because of Cooper's final basket, Houston now leads the series.
But Anthony's final basket was the most important.
Going into the final basket, Porter had 17 points, meaning he needed to hit just two shots to win it.
His final basket was a 3-pointer off the glass from 27 feet away on the right wing.
His final basket, an 18-footer, pulled the Nets within 88-87 with 6 minutes 41 seconds remaining.
He scored the final winning basket with 2 seconds left in the game.
Duke led, 53-34, at halftime and ran the advantage to 27 points before Kansas scored the game's final basket.
He also scored the game's final basket on a 21-footer with 20 seconds left.