Thanks to MMACanada.net for the video.

That’s according to famed boxing trainer Freddie Roach on the most recent episode of Ultimate Insider:

“It’s a great fight. It’s Pacquio-Mayweather in MMA. It’s one guy going up in weight to fight the bigger and supposedly better guy. Anderson is the better boxer at this point. Georges is getting better. I’m a lot closer with Georges than I am with Anderson at this point.

There are some things I’ve learned about Anderson I think I can help Georges with. …

That’s one fight I don’t think you’d have to worry about Anderson getting up for.

For that fight I expect both guys to be at their best. Georges is stronger physically and can rough him up on the inside. Anderson is more of a technician and knows distance. Distance is the key to that fight, though. “

UFC President Dana White is always happy to point out the major difference (in his mind) between boxing and MMA is the fact that the former has trouble putting on the fights fans want to see while the latter does so on a monthly basis. And there is no fight boxing fans want to see more than Manny Pacquiao vs. Floyd Mayweather.

Consensus opinion though, is it’s simply not going to happen.

This is not the case with its MMA equivalent — Anderson Silva vs. Georges St. Pierre. On the same episode of Ultimate Insider, White tells a fan that if GSP defeats Jake Shields at UFC 129 on April 30 in Toronto, we can expect to see the superfight “by the end of 2011 or early 2012.” Music to the ears of combat sports fans everywhere, I’m sure, but also an intriguing bout for Roach.

The uber-trainer has put in work with both the middleweight and welterweight champion and says “The Spider” is the better boxer with more technique, while “Rush” is stronger and can rough up Silva once he gets on the inside. Not only that, he believes he can help St. Pierre exploit a few stand-up holes in the Brazilian’s game, something no one has done successfully throughout his Octagon career.

With Jose Aldo vs. Mark Homicnk and Randy Couture vs. Lyoto Machida already set for the main card of “UFC 129: St-Pierre vs. Shields,” the UFC has finalized the full fight card by adding a preliminary bout between welterweights Nate Diaz and Rory MacDonald.

UFC welterweight champ Georges St-Pierre will defend his title against Jake Shields in the UFC 129 main event on April 30 in Toronto.

UFC 129 Full Fight Card:

MAIN CARD

• Champ Georges St-Pierre vs. Jake Shields

  UFC Welterweight Championship

• Champ Jose Aldo vs. Mark Hominick

  UFC Featherweight Championship

• Randy Couture vs. Lyoto Machida
• Phil Davis vs. Matt Hamill
• Ben Henderson vs. Mark Bocek

PRELIMINARY CARD

• Rory MacDonald vs. Nate Diaz
• Brian Foster vs. Sean Pierson
• Pablo Garza vs. Yves Jabouin
• Daniel Roberts vs. Claude Patrick
• Charlie Valencia vs. Ivan Menjivar
• Jason MacDonald vs. Ryan Jensen
• John Makdessi vs. Kyle Watson

UFC  President Dana White announced Saturday (via Yahoo! Sports) that Welterweight Champion Georges St. Pierre will defend his title as expected against Jake Shields at UFC 129 in Toronto on April 30.

With the recent news that Randy Couture will potentially return to fight Lyoto Machida at the same event, it’s now expected that this show will be the biggest in UFC history.

“GSP” will come into this match-up having run through nearly every challenger at 170-pounds matchmaker Joe Silva could possibly offer him. In fact, Shields just might be the only one left.

Shields entered the UFC as the reigning Strikeforce Middleweight Champion and riding a 14 fight winning streak. He was matched up against top contender Martin Kampmann and although he struggled with a bad weight cut, walked away with a split decision win.

A win for “GSP” may necessitate a jump up to middleweight for the champion but it also may mean a jump up in weight for Shields.

UFC 129 will also feature a light-heavyweight showdown between Randy Couture and Lyoto Machida.

Shields, a talented BJJ fighter, needs to get this fight to the ground to try and win — even there, it’ll be difficult to try and lock in a submission. Against GSP, the No. 1 welterweight and one of the best pound-for-pound top fighters, trying to get a takedown will be an extremely difficult task.

Shields won his UFC debut in 2010 when he picked up a split-decision win against Martin Kampmann at UFC 121. The fans voiced their displeasure after the disappointing performance, and a tough weight cut was blamed for the cardio problems. (Shields previously was fighting at middleweight during his remaining fights in Strikeforce.)

GSP last picked apart Josh Koscheck (again) to take a unanimous decision victory in the UFC 124 main event.