Team Rivalry Enthusiast T-Shirts

"I thought they decided who was the best team last year?"

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

"Why don't you come get me? Oh that's right, you aren't allowed on the couch!"

You were warned about mixed marriages.

Sport: Crisis in the Real Madrid.

Tic-tac-toe

"Just being proactive."

Next Wave Collegiate Sports

"That's $20 for you if you pluck the tail feathers off my rival over there..."

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

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

"Yin and Yankee fan"

Fight on the top

"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!"

'I hate snowboarders!'

Lion v Kiwi.

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

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

Dog tallying his score against the mailman.

"A phony attorney…I'm so disappointed, son. Your brother is a phony doctor."

England And The Ashes

David Anderson vs. Goliath

"Oi - change that to Chelsea."

I've just found out our competitors are losing money faster than we are.

When feud becomes best seller! Moby Dick vs Herman Melville!

'You're useless, Johnson. I like that in a rival.'

'You were never a team player, Thornton.'

Bears Win!!!

"Joseph's jealous brother adds bleach to the coat of many colors wash."

The Red Cat: Beagle's About/Plate of Feud/Peer Group.

'Do it again.'

Keepy-uppy with the Joneses.

'It all started over who had the bigger medical file.'

"Sometimes I think you guys don't want peace."

"Nobody realized I was a man to watch until it was too late."