Garrett Hartley’s 27-yard field goal with five seconds to play put New Orleans past Tampa Bay 16-14.
The Buccaneers took the lead on Mason Foster’s 85-yard interception return touchdown, but Drew Brees, who threw for 322 yards, drove the Saints into position for the decisive kick.
The Miami Dolphins stayed unbeaten with a 24-20 triumph over host the Indianapolis Colts as Ryan Tannehill threw for 319 yards and a touchdown, while Mike Wallace, who went public with his unhappiness at not seeing the ball more after a one-catch Dolphins debut, made nine catches for 115 yards and a touchdown.
Rashard Mendenhall’s late one-yard touchdown run gave hosts the Arizona Cardinals a 25-21 victory over the Detroit Lions.
Carson Palmer threw for 248 yards and a touchdown for the Cardinals.
Sebastian Janikowski kicked four field goals and Marcel Reece ran for Oakland’s only touchdown to power the Raiders over the visiting Jacksonville Jaguars 19-9.