San Francisco 49ers

Hours after the San Francisco 49ers destroyed the Atlanta Falcons and punched their ticket to the Super Bowl, the squad celebrated at a nightclub in San Jose ... and TMZ has the pics.

Tons of 49ers players -- including star QB Colin Kaepernick and former star QB Alex Smith -- rolled into Motif nightclub late Sunday night ... fresh from their 28-24 victory in ATL.

Sources inside the club tell TMZ ... the DJ announced each player as he walked in the door ... and the crowd went absolutely insane.

We're told the guys were pretty tame -- no crazy, insane drunk people. Sources say some of the guys WERE drinking (some bottles of Moet and Cristal were ordered) ... but the night was more of a "sipping and toasting" event ... not a "let's get effed up" kind of a thing.

One source tells us ... most of the clubgoers swarmed Kaepernick ... and it got so crazy, that he went upstairs to a private area to escape the crowd.

Jim Harbaugh and John Harbaugh squaring off in the Super Bowl is a historic matchup that's still, inexplicably, less interesting than Casey Anthony and Django ... to some people.

Colin Kaepernick's meteoric rise hasn't just been great for the 49ers ... it's also been HUGE for his longtime tattoo artist ... who tells TMZ business has exploded ever since the inked up QB led SF into the playoffs.

We spoke with tat artist Nes Andrion -- who's been working on Colin for years at his shop in Reno where CK played his college ball.

Andrion tells us ... ever since Colin started winning games in November -- when starting QB Alex Smith got a concussion -- customers have been pouring in, asking for 49ers-themed ink.

Nes tells us, "People come in and ask if I am the artist that does Colin’s tattoos, and ask when I think I am going to tattoo him again.”

Nes adds, “People want to get their tattoos done by the same artist as Colin Kaepernick."

According to Nes, Colin will be coming back in the off-season to finish his enormous angel-demon-themed chest piece.

It's pretty hilarious though, considering Nes is a proud Patriots fan -- but now that Colin's winning, he secretly hopes the 49ers can bring home the Lombardi trophy this year.

"To be honest I want [Colin] to take it even though the Pats are my team. He puts money in my pocket."

San Francisco 49ers wide receiver Michael Crabtree was questioned by police as part of a sexual assault investigation, but he was not detained or arrested.

Police said the alleged assault took place in a hotel room early last Sunday following the 49ers' playoff victory over the Green Bay Packers. Crabtree was interviewed with his attorney present and police say he has cooperated with the probe.

A rep for the team released a statement, saying, "The 49ers take such matters very seriously. We will have no further comment at this time as the legal process is ongoing."

Green Bay Packers QB Aaron Rodgers needs to "man up" and stop trying to weasel out of the bet he made with Boyz II Men ... this according to NFL Hall of Famer Ronnie Lott.

Lott is no stranger to friendly wagers -- the 49ers legend tells us he used to make similar fun bets with Huey Lewis back in his playing days ... and would always HONOR them when he lost.

And since Aaron lost his bet with B2M -- and should have to wear an Alex Smith 49ers jersey -- Lott tells us the QB needs to pay up soon ... or else it could haunt him later in the season.

“I have a feeling it will bother him the next time he plays the Niners. If they meet again this season, it will bother him.” SF and GB aren't scheduled to play against each other during the regular season -- but many expect them to face off in the NFC Championship game.

Lott tells us he wouldn't be surprised if Boyz II Men gave Rodgers a shot at a "double-or-nothing" bet later this year to clear his debt.

Aaron Rodgers doesn't seem to understand the way bets work -- because even though he LOST a wager to Boyz II Men ... he's now trying to weasel his way out of paying up ... by throwing TMZ under the bus.

We broke the story ... the Green Bay Packers star agreed to a friendly bet with the guys from Boyz II Men -- if he lost to the 49ers, he had to wear an Alex Smith jersey the following week.

Well, the Pack lost ... and Boyz II Men told us they were confident the NFL star would hold up his end of the bargain.

But earlier today, Rodgers addressed the media -- and when he was asked about the wager, he sounded like a man trying to get out of donning his rival's jersey.

"There's nothing to that," Rodgers said ... adding, "That got blown way out of proportion."

Still, Rodgers DID acknowledge a bet was made ... saying, "It was at best a joke between friends, and, unfortunately, the great reporting of TMZ blew another one."

What did we blow? You made a bet ... you lost ... now you're not living up to it.

In fact, check out the tweet Boyz II Men posted in the final minutes of Sunday's game ... which reads, "Pressing the jersey now!"

Aaron Rodgers has a date with a 49ers jersey after losing a bet with the guys from Boyz II Men ... but the singers tell TMZ, they're willing to give him some time to prepare himself to pay up.

Singer Nathan Morris tells us, “Green Bay has another huge game [against the Bears] in 3 days so ... we understand where his head is, so I know he's focusing on that game.”

According to Nathan, Aaron promised to post the pic of himself wearing a 49ers jersey on his Twitter account if he lost against San Francisco ... which he did yesterday ... 30-22.

Nathan -- the biggest 49ers fan in the group -- is confident Aaron will hold up his end of the bargain, telling us, "Aaron might be one of the classiest guys we know.”

Green Bay Packers QB Aaron Rodgers has agreed to a deal that could land him in a 49ers jersey on Monday morning ... and it's all thanks to the guys from Boyz II Men.

TMZ has learned ... Rodgers and the R&B legends are actually friends ... and recently, Aaron asked the guys if they would sing the National Anthem at the season opener at Lambeau Field on Sunday.

But before the guys would agree to sing, Nathan Morris (the guy with the deep voice) had one MAJOR demand.

Turns out, Morris is a bigtime 49ers fan ... and proposed a friendly bet to the QB -- if SF wins, Rodgers MUST WEAR an Alex Smith 49ers jersey for the remainder of the week.

If GB wins, Morris has agreed to wear a Rodgers jersey.

A rep for the band confirms ... Aaron accepted the challenge and Boyz II Men agreed to perform at the game.

The stakes are pretty damn high for Rodgers -- considering SF passed on Aaron in the 2005 NFL Draft so they could pick up Alex Smith.

Plus, the Niners and the Pack are both considered NFC favorites this season.

So, we gotta ask ...

There have been multiple reports that the Oakland Raiders are the front-runners to acquire the Pro Bowl QB through a blockbuster trade -- but a source close to McNabb tells TMZ, "He does NOT want to play for the Raiders and would refuse the trade."

McNabb reportedly does not have a no-trade clause in his contract -- but according to Philly.com, he can refuse to negotiate a contract extension ... and most teams wouldn't trade away draft picks or players to get Donovan for the one measly year he has remaining on his current contract.