I've just switched my telly on in time to catch the highlights and I can't see any problem in picking out the ref in his purple top.
If you're watching on Freeview, switch the test card on to check your picture quality:
Go to Channel 250.
Press Yellow. (Nothing will happen on your screen)
Wait 2 seconds.
Press 'Channel Up'. (You'll see whichever channel is the next one up on your set)
Wait 5 seconds.
Press 'Channel Down'. (Back to where you started)
Press Green. (You should get to here:
https://de8as167a043l.cloudfront.net/styles/images/misc/bbstatus.jpg )
Press Green again and you should see the test card.
The boxes on the left of the girl with the blackboard should go from pure white to solid black, as here:
http://davidstvandradioworld.co.uk/resources/tcw.jpg
If they don't, some adjustment may be necessary.