Rivalry T-Shirts

'My husband wants to know if the sonogram can tell if the baby is a Red Sox or Yankees fan.'

'He's been this way since the Red Sox won the pennant!'

'The grudge match.'

"I'm sorry your team lost - perhaps you should have rooted for the other team."

'You know my limits, don't you?'

'Just a word of advice ... He's a Saints' fan.'

Basketball - Short player pulling down shorts of tall player.

"Doreen, the cat's after the parrot again!"

'Every dog has his day - But the nights belong to us.'

Oxford-Cambridge Boat Race, 1870 - Crews before Boarding

'We think a lot alike - and that threatens my uniqueness to this company.'

'Uruguayan? - No, he's from Scotland.'

"Alright if we play through?"

Hell Separates Real Madrid and Barcelona fans.

"I'm afraid Dad did not leave us anything of value in his will, but his last wish is for us to continue the feud with the neighbour's cat...

'She's trying to prove her masculinity.'

'It appears to be a weapon, but how do we deploy it against our rivals.'

"Eat my dust!"

'They not only beat us - in the third quarter their mascot ate our mascot!'

The Millibands circa 1980.

Your enemy is defeated by Fate

'She's such a know-it-all.'

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

"My dad's sunroof is bigger than your dad's sunroof."

'I told you, if the LA branch steals our thunder, there is no more dialogue.'

'You say odd things.'

'Is that why stole his Ferrari?'

'Bad news: the report says it's cheaper if cats make it...'

'Goooaaaalllllll!'

'He always has to go one-better!'

Potential passenger being fought over by rival bus conductors

Rival Jockeys

The Alpha Seltzer

Scottish Football Fan - "...and please Lord, let the result be against the run of play."

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