UFC 137 results recap: Penn vs Diaz event wrap-up from Las Vegas

Ultimate Fighting Championship (UFC) returned to pay-per-view last Saturday night (Oct. 29, 2011) with UFC 137: "Penn vs. Diaz," featuring former Strikeforce champion Nick Diaz staking his claim to the title shot that was always his by beating up B.J. Penn for 15-minutes strong.

But that's not all.

Cheick Kongo maintained his status as the gatekeeper of the heavyweight division by outperforming Matt Mitrione in the co-main event of the evening.

And what else is there to say about the final fight in the career of Mirko "Cro Cop" Filipovic?

In cased you missed any or all of it -- or just want to keep the discussion alive -- below are links to all the major storylines borne from Saturday night's event in Las Vegas, Nevada.

In we go.

UFC 137: "Penn vs. Diaz "

Results and live blow-by-blow

Recap and discussion

Post-fight press conference video

Bonuses and awards

Event photo gallery

B.J. Penn vs. Nick Diaz video highlights

Facebook "Prelims" results and recap

Fight recap: Nick Diaz overwhelms B.J. Penn in decision win

Fight recap: Cheick Kongo takes a decision from Matt Mitrione

Fight recap: Roy Nelson finishes Mirko Cro Cop

Fight recap: Scott Jorgensen gets it done against Jeff Curran

Fight recap: Hatsu Hioki wins a split decision over George Roop

Fight recap: Donald Cerrone chokes out Dennis Siver

Fight recap: Bart Palaszewski knocks out Tyson Griffin

Fight review and analysis: Scott Jorgensen vs. Jeff Curran

Fight review and analysis: Roy Nelson vs. Mirko Cro Cop

Fight review and analysis: Cheick Kongo vs. Matt Mitrione

Fight review and analysis: B.J. Penn vs. Nick Diaz

UFC 137 post-fight fallout

Big winners and lowly losers

B.J. Penn retires from MMA

B.J. Penn's coach says "The Prodigy" will be back

The Nick Diaz vs. B.J. Penn fight metric report shows a straight Stockton style beatdown

Nick Diaz vs. Georges St. Pierre re-booked for Feb. 4, 2012, in Las Vegas

Cesar Gracie says Diaz vs. St. Pierre will be the biggest fight in UFC history

Nick Diaz thinks Georges St. Pierre is scared, homie

Georges St. Pierre calls Nick Diaz the most disrespectful human being he's ever met

Carlos Condit didn't step aside, GSP just really wants to smash Nick Diaz

Nick Diaz flips the bird to all the doubters by smashing B.J. Penn

B.J. Penn and Nick Diaz hug it out after duking it out

Saying goodbye to B.J. Penn, just in case he really leaves

Saying goodbye to Mirko "Cro Cop" Filipovic, who really is leaving

Mirko Cro Cop announces his retirement

Roy Nelson was happy to win but sad to see Cro Cop go

George Roop vs. Hatsu Hioki fight metric report is rather interesting

At lightweight or not, Donald Cerrone just wants to fight

Donald Cerrone gets his wish to remain active, booked to fight Nate Diaz at UFC 141 on Dec. 30

That my friends, should be enough to keep you talking -- at least for the time being. What gets your vote for the biggest story coming out of UFC 137?

Sound off, Maniacs.