Dan Walker has voiced his disgust at seeing ITV reporter Jonathan Swain wearing a split England and Wales shirt.
The two British football teams will face each other today in a crucial match at the FIFA World Cup 2022 in Qatar.
Walker shared a picture of Swain in the shirt on Twitter commenting: "NO! NO! NO! NO! #ENGWAL" along with two nausea emojis.
He said of his shirt: "Not my idea, I have to say. But I think I am half-qualified to wear this - I do have a mother who's actually form mid-Wales. From Llanidloes believe it or not."
Wales must beat England in the crunch match in order to have any chance of progressing to the knockout stages of the tournament.
Watch: England and Wales fans prepare for World Cup clash
If England beat Wales they will automatically qualify for the last-16 as group winners.
Many fans agreed with Walker that the shirt was offensive.
One said: "Blimey you thought the half and half scarves were bad enough."
Another commented: "Couldn’t agree more, Dan. It’s awful."
And one replied to the Tweet: "Classic case of “just because you can, doesn’t mean you should”.
But some felt the shirt was a good idea.
One follower commented: "I would wear one."
One tweeted: "Could be worse … I thought it was Matt Hancock for a second Dan!"
One said: "For a second I thought that was Matt Hancock and thought "Now... now he's gone too far"
And another said: "I thought that was Matt Hancock at first."
Walker presented Football Focus on BBC from 2009 to 2021.