Who out of the Saints players made the winning touchdown in the 2010 Super Bowl?

In Super Bowl XLIV, the New Orleans Saints defeated the Indianapolis Colts 31-17. The Colts were leading the Saints in the 3rd quarter, 17-13 after a Joseph Addai 4 yard rushing TD with with 6:15 remaining.

The Saints scored three unanswered times, the first being a Garrett Hartley Field Goal, making the score to 16-17 in favor of the Colts. The second unanswered score was a 2 yard TD pass from Drew Brees to TE Jeremy Shockey, putting the Saints ahead 24-17 after 2 point conversion attempt was successful (2 yd pass Brees to WR Lance Moore).

With 5:35 remaining in the 4th quarter, Peyton Manning began the Colts 2nd to last drive at their own 10 yard line. He marched his team into New Orleans territory, with the line of scrimmage set at the New Orleans 31. The Colts were facing a 3rd and 5; Manning in the shotgun received the snap; the Saints defensive line had little to no pressure on Manning who was standing in a clean pocket; the left edge of the pocket was being forced in, Manning stepped up in the pocket and slung the ball to open receiver Reggie Wayne.

Wayne, like he had done thousands of times before finished his route, turned to face Manning and sat on his route. Just before Reggie Wayne caught the ball, Saints Defensive Back Tracy Porter jumped the route, intercepting the football. Porter took the INT and turned it into a pick 6, sealing the win for the Saints with his 74 yard Interception for a Touch Down.
Tracy Porter intercepted Peyton Manning's pass and ran 74 yards for a touchdown.