Rivalry Junkie T-Shirts

Battle of the leaf-blowers.

I only root so hard for my time because I hate your team so much.

'Dogs are so silly: Just throw a ball or a stick and they'll chase it and bring it back!'

'What distance! Pity it wasn't the hammer!'

Even good cholesterol can develop an unhealthy sports addiction...

Neighbor Leaf Wars

"I can't decide who gets the promotion, so we'll settle it with a rope toy Tug O' War."

Tic-tac-toe

"You beat me by two...but with your penalties I beat you by 150!"

Prepare yourself, America. Dancing with the Stars is poised to present a new 12-week competition. And you'll never guess who's dancing now! Listen to the passion and fight in our newest celebrity dancer

Pentagon Science Contest: '...It's a contest by the pentagon. They're gonna pay out half a million bucks to someone who comes up with the best idea on how people could travel to another solar system.'

"This is his fifteenth successive Olympics."

"...And don't give me that 'I hope his precious little Blackhawks lose' look either!"

"I guess there ain't room in this town for two bonsai specialists."

"Oh, come in Blevins. I was just thinking about you."

"Just being proactive."

Next Wave Collegiate Sports

Isn't there something about this in th Geneva Convention

"What time is it?" "Half past World Cup."

"Is it me or are the obstacle courses getting harder?"

"That Melinda Alvarez thinks she's so smart! Well, I've been studying, and I'm gonna teach her a lesson on the test we have today!"

"You say that I love the Liverpool football team more than I love you?...."

Fight on the top

'I warned him about watching the game at the opposition's pub.'

'I hate snowboarders!'

"I think feeling a certain amount of anxiety over the up coming race with the Hare is perfectly normal!"

Swimming Champion.

'The rivalry at the pony club is getting out of hand.'

'I think they're still just sizing each other up.'

"I still hate you."

'Publish or perish doesn't apply to coaching, Yomp - it's recruit, recruit, win, win, win!'

The Andrews brothers had an ongoing competition of seeing who could donate a pint of blood the fastest.

1st. 2nd. Nice Guy.

Federal Employees Annual Easter Egg Hunt: 'This isn't fair - the CIA always wins!'

'You've got to give her points for originality.'