Fight fans, it’s a busy weekend — your first of 2015 — with offerings on display from each of the major North American MMA promotions, and a big boxing match besides.

UFC will feature an event Sunday with major title implications, as popular Irish featherweight Conor McGregor faces Germany’s Dennis Siver in front of what promises to be a raucous (and partisan) Irish-American crowd in Boston. Should McGregor win, he will likely net a title shot against longtime titlist Jose Aldo. The event also features a solid undercard.

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Saturday, MMA World Series of Fighting will visit Las Vegas, for Jake Shields vs. Brian Foster. Also that night, Showtime Boxing boasts an event with two of the world’s top heavyweights.

But it’s the new-look Bellator which will leads things off with a bang — featuring another solid fight at 145 lbs. The promotion’s featherweight champion, Patricio “Pitbull” Freire, will meet Daniel Straus for the second time in the main event of Bellator 132.

“Pitbull” is perhaps Bellator’s most dominant champion, earning a 22-2 record — his only losses coming via close split decisions, and many of his victories coming by way of dramatic knockout.

Strauss, seen above (right) in a bout last year against Pat Curran, has earned a 22-5 MMA record, mostly known as ‘grinder’ using his impressive wrestling acumen.

Strauss recently described his 2011 loss to Pitbull, one of only two losses in his last ten bouts, as “one of those cases where I had beat myself.”

“I was so hyped up on his highlight reels and how Bellator talked about him,” Straus told “That’s all they ever wanted to talk about was how he was knocking all these guys out. At the time that was my biggest fight in my career. Then I get out of the cage and I realize, why am I worried about that?”

The event will take place in Temecula, CA tonight at 9 pm ET, and will be televised on SPIKE TV 9 pm ET/PT.