Programming reminder: 'Countdown to UFC 137' debuts tonight (Oct. 24) on Spike TV

Countdown to UFC 137: "Penn vs. Diaz" will debut TONIGHT (Monday, Oct. 24, 2011) at 11:30 p.m. ET on Spike TV to promote the upcoming pay-per-view (PPV) event scheduled for the Mandalay Bay Events Center in Las Vegas, Nevada, on Saturday, Oct. 29, 2011.

The network special will provide a glimpse into the preparation and training camps of the fighters set to headline the show, featuring former UFC Welterweight Champion B.J. Penn and ex-Strikeforce division kingpin Nick Diaz.

UFC.com currently lists replays of "Countdown to UFC 137" at the following times:

Wednesday, Oct. 26, at 3:30 p.m. ET on Spike TV
Thursday, Oct. 27, at 8 p.m. ET on the Versus Network
Saturday, Oct. 29, at 1:30 p.m. ET on Spike TV

"Penn vs. Diaz" will also feature a co-main event pitting hard-hitting heavyweight "Meathead" Matt Mitrione against French kickboxer Cheick Kongo.

Here is the current UFC 137 fight card and line-up:

Main event:

170 lbs.: B.J. Penn vs. Nick Diaz

Main card (Pay-per-view):

265 lbs.: Cheick Kongo vs. Matt Mitrione
265 lbs.: Roy Nelson vs. Mirko Filipovic
145 lbs.: Hatsu Hioki vs. George Roop
135 lbs.: Jeff Curran vs. Scott Jorgensen

Spike TV "Prelims:"

155 lbs.: Donald Cerrone vs. Dennis Siver
145 lbs.: Tyson Griffin vs. Bart Palaszewski

Preliminary card (Facebook stream):

205 lbs.: Brandon Vera vs. Eliot Marshall
170 lbs.: Danny Downes vs Ramsey Nijem
185 lbs.: Chris Camozzi vs Francis Carmont

MMAmania.com will provide LIVE round-by-round, blow-by-blow coverage of the main card action on fight night (Saturday, Oct. 29), which is slated to air at 9 p.m. ET on pay-per-view. The latest quick updates of the live action will begin to flow earlier than that around 6:30 p.m. ET with the preliminary bouts.

For the latest UFC 137 news and notes click here.