If you’re one of the folks who’s been arguing that CM Punk’s going to have a tough time scoring one win in the Octagon, much less several, well, the former pro-wrestling star really wants to prove you wrong.

Just a few days ago, Punk revealed that his Octagon debut has finally been booked, and that he’ll take on Mickey Gall on September 10th. The two were expected to fight earlier this summer, but a back injury to Punk (Phil Brooks), postponed the fight.

Since the UFC announced that Punk was going to make his fighting debut with the organization, there’s been no shortage of people who have blasted the signing. The argument being that since Punk has never fought professionally, he has no business in the UFC. Although Punk isn’t fighting an experienced vet in his Octagon debut, he is a sizeable underdog against Gall. The latter has two pro wins under his belt and also scored a couple of victories as an amateur.

Well, Punk recently appeared on Colin Cowherd’s radio show, and while doing so, he fired back at his critics. Here is some of what the Illinois fighter had to say (quote via MMA Fighting.com):

“I know people think this is a publicity stunt, I’m never going to set foot in the Octagon,” he acknowledged. “I look forward to proving them wrong, but to me, it’s not super far-fetched to be like, ‘You know what? What if I put three or four wins together? Who’s to say I don’t get a title shot?’

“I’m a very positive thinking person. Of course I’m not going to saddle myself with this negativity that’s, ‘Oh, that’s it for me’. Because to me in life, it’s so cliche and it sounds so corny, so Karate Kid-like, but it’s not about getting knocked down. It’s about how many times you get up. That’s why I train the way I do. I get knocked down in training every day, so on Sept. 10th I won’t get knocked down.”

Can’t blame a guy for believing in himself right? Now it remains to be seen if Punk can buzz the MMA world at UFC 203 and score a win.

The September 10th card will go down in Cleveland, Ohio.