As title says. Here is one I just thought of.
Black man talking: Man it sucks growing up without a dad.
White Guy talking: Yeah I know what you mean. My dad is Greg Jackson. Every time we got to close he would just run away.
Black man: dayuuuuum boy.
If someone steals your coin
Hit him with your groin
Nate Marquardt, GSP and Greg Jackson walk into a bar of soap.
Win % at Jackson's gym drops dramatically. 
My cousin was my best friend, but then he Greg Jackson'd me for his beezy!
The Loge - Why did Greg Jackson cross the road?
To catch Carlos Condit.
Clay Guida IMO 
I posted mine in a thread months ago....I just bumped the thread for all to see
How many Greg Jacksons does it take to screw in a light bulb?
Doesn't matter because, why is Greg Jackson not in jail for murdering UFC 151. If you do change light bulbs and the existing bulb is broken use a raw potato to safely remove the damged bulb and please make sure the switch is in the OFF position.
www.teamendgame.com
www.matcagering.com
Eddy Rolon -How many Greg Jacksons does it take to screw in a light bulb?
Doesn't matter because, why is Greg Jackson not in jail for murdering UFC 151. If you do change light bulbs and the existing bulb is broken use a raw potato to safely remove the damged bulb and please make sure the switch is in the OFF position.
www.teamendgame.com
www.matcagering.com
STFU KKM
I'M NOT KKM. Where would anyone get an insane idea like that?
Oh yeah, I remember now.
The_Spider - If someone steals your coin
Hit him with your groin
lol nice one!
Son: Dad, why did you give me a bucket of grease for my birthday?
Dad: You'll need that if you're gonna Jack son.
After getting into a street fight and being charged with assault, , the judge ordered me into a court approved anti-violence program.....so I started training at Jackson's MMA....
I'll just wait for Condit to show up, he'll win this one running way.
MMAFAN695 -
Does this count as a Greg Jackson joke?
ROFLMAO!!!!
But seriously guys, did you know that Greg Jackson has a piece of metal working equipment named after him?
Boring Tool
robnashville -After getting into a street fight and being charged with assault, , the judge ordered me into a court approved anti-violence program.....so I started training at Jackson's MMA....
LOL funny, deserves vote up!!!
Knock knock
Who's there?
GREG
Greg who?
GREG JACKSON
HAHAHAHAHAHAHAHAHAHAHA YOU GUYS ROCK!!!!!!
I was gonna post a Greg Jackson joke but my post keeps running off the page.