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.

Tic-tac-toe

"Just being proactive."

"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."

Next Wave Collegiate Sports

"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!"

Fight on the top

"Yin and Yankee fan"

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

'I hate snowboarders!'

Lion v Kiwi.

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

Dog tallying his score against the mailman.

David Anderson vs. Goliath

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

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.'

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

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

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

Keepy-uppy with the Joneses.

'Do it again.'

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

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

'Identify those with leadership potential. I need to eliminate the competition.'