GB Swimming teams face off from England, Northern Ireland, Scotland and Wales

So while the friendly rivals keep their sense of humor, who will have the last laugh?

Richards already Won three medals in these games But still waiting for his first gold.

He and McMillan were swimming in the same heat on Wednesday as Scotsman Evan Jones and Englishman Tom Dean, who were also part of that world champion relay squad.

“We’re all good friends and that friendship helps us as teammates, but also as competitors to push each other,” McMillan said.

“When it comes to relays we play our part but swimming is also an individual sport.”

England’s Guy said the chance to go head-to-head for Team GB colleagues “makes the Commonwealth Games even more special”.

“It’s really cool because it’s very rare that we represent our country,” he added.

“It’s really strange to be part of different countries when you’re together most of the time as Team GB.”

Australia have dominated the pool so far in these games but the Scots are already there Claimed gold in GlasgowKnow that all four teammates have ambitions to top the podium.

“We get so much head-to-head in the British Championship year after year that, at the season meeting, it’s always good fun to race those guys,” said Scott.

“Ultimately we all want to see each other swim well,” added Richards.

“We just want to see ourselves swim that little bit better.”