Charles Tillman stood with both arms raised, while Devin Hester collapsed and pointed toward the sky. Over on the sideline, players and coaches bounced as if they were on trampolines, fists pumping and wide smiles crossing their faces as the opposing kicker missed a potential winning field goal.

The Chicago Bears were elated and relieved after rallying to beat Arizona 24-23 Monday night and remain undefeated. They improved to 6-0 for the first time in 20 years, even when everything seemed to be going wrong.

``We were supposed to win the game for some reason,'' quarterback Rex Grossman said. ``Everything went our way when it needed to.''

Not quite.

After extending his franchise record with his seventh defensive touchdown, Pro Bowl safety Mike Brown was carted off the field in the fourth quarter with a sprained right foot. More details were not available on Tuesday.

The Bears have not played well when Brown has been sidelined the past two seasons.

He missed 14 games in 2004 with a torn right Achilles' tendon, one of many injuries that sent Chicago limping to a 5-11 record. Last season, the Bears went 2-2 over the final four regular-season games with Brown nursing a strained left calf. He barely played in the playoff loss to Carolina, in which Panthers wide receiver Steve Smith caught 12 passes for 218 yards and two long touchdowns.

``We struggled without Mike last year, but I think with the young guys we have, with the combination of guys and I think with our D-line ... if we can play with those guys picking it up, I think we can do it,'' defensive co-ordinator Ron Rivera told the Chicago Sun-Times. ``We kind of patchwork things.''

Which was what the Bears did on Monday.

They stitched together a win even though the offence was at its worst and the defence got pushed around and missed assignments for much of the first three quarters.

The numbers were jaw-dropping.

Four interceptions and two lost fumbles for quarterback Rex Grossman. Three points by the offence. A 20-point deficit.

A team that had outscored Seattle and Buffalo by a combined 77-13 the previous two weeks managed just 168 yards on offence while Arizona finished with 286. A running game that had shown signs of life the previous two weeks mustered just 34 yards. And Grossman immediately served notice he was off when he overthrew a wide-open Bernard Berrian on the game's first play.

Still, the Bears went into the bye week celebrating, rather than sulking.

They can thank their defence, special teams and Cardinals kicker Neil Rackers, who missed what would have been a go-ahead 41-yard field goal with 53 seconds left.

As ugly as this game was, it may have been a defining moment for the Bears. While their execution was shaky, their will never wavered.

``Everyone started saying, `Let's believe,''' Bears defensive tackle Tank Johnson said. ``In the fourth quarter, I was holding up four fingers and telling everybody that we have to finish. That's the main thing we have been preaching all year.''

There was Mark Anderson sacking Leinart and jarring the ball loose in the closing seconds of the third quarter, and there was Brown scooping it up for a three-yard return that cut Arizona's lead to 23-10. There was Urlacher ripping the ball out of Edgerrin James' hands and Tillman returning the fumble 40 yards for another touchdown after Grossman had thrown his fourth interception. And there was the rookie Hester returning a punt for a touchdown for the second time this season, running it back 83 yards to give the Bears a 24-23 lead.

It was the first time an NFL team rallied to win from a 20-point deficit without getting an offensive touchdown.

Now, they have time to heal and fix what went wrong on Monday. And they have a favourable schedule, with home games against San Francisco and Miami. Then again, Arizona (1-5) wasn't expected to put up much of a fight.

``To be truthful, our team thought they could come back and win the football game, even though it was looking bleak for a long time,'' coach Lovie Smith said. ``It was basically that. When are we going to do it? Somebody has to do it.''