Dashon Goldson turned Marques Colston upside down just as the receiver leaped for a pass over the middle.
As Colston landed on his head and lay motionless for several seconds, safety Donte Whitner snagged the deflected pass on New Orleans 42 and weaved his way past Drew Brees and Co., all the way to the end zone.
That was but one of the big plays turned in by a San Francisco defense that was as brutal as it was spectacular in a 31-21 victory Sunday that snapped New Orleans' three-game winning streak and put a dent in the Saints' playoff hopes.
''We know how good our defense is, especially coming off of last week's (32-7) win against Chicago,'' 49ers linebacker Patrick Willis said. ''When it counted, our defense held together and won the game for us.''
Colin Kaepernick was the winning quarterback for the second time in as many starts, which will only prolong the debate in San Francisco over whether Kaepernick deserves to retain the star...