Young connected on 14 of 22 passes for 164 yards and was intercepted just once for the 2-1 Titans. Brandon Jones snared one of those passes for a tounchdown and finished with 73 yards.
Besides Bulluck's three picks, Vincent Fuller also intercepted Saints quarterback Drew Brees, returning it 61 yards for a score in the fourth quarter, when the Titans came up with 21 unanswered points.
LenDale White ran for 50 yards and a touchdown for the Titans.
Brees completed 29-of-45 passes for 225 yards, but committed four fourth-quarter turnovers for the Saints, who are 0-3 for the first time since 1997, when they went on to finish 6-10. Last year, the Saints started out 3-0.
Reggie Bush had a pair of one-yard TD runs for the Saints, who managed only 34 yards rushing.
Running back Deuce McAllister left the game midway through the second quarter with a knee injury. X-rays were negative.