Costa Rica will look to turn their fortunes around after winning just two of their last eight matches, but took a step in the right direction with a 3-0 thumping of Northern Ireland in a friendly match of their own on Sunday.
But Elland Road was lit up on 13 minutes when Manchester United forward Marcus Rashford got the ball just outside the box and unleashed a wicked strike that moved in the air as it sailed past Real Madrid keeper Keylor Navas and nestled in the back of the net.
The Three Lions have been warming up for the World Cup in Russian Federation with some friendly fixtures and the youngster didn't take long to score for his nation.
Substitute Danny Welbeck added a second on 76 minutes when he got his head to Dele Alli's cross and so England head to Russian Federation with a 100% record from their warm-up matches, having beaten Nigeria on Saturday.
"There were some good things and a lot to improve, but the first 20 minutes were very good", said coach Santos, who refused to give anything away about his starting line-up.
Following a hard season for several of the county's leading sides - with only Huddersfield Town flying the White Rose flag in the Premier League - the game will be a weclome fillip for the wider area, according to England manager Southgate.
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"I said to all the team before the game, I expect to see mistakes and, if I don't, there might be a problem because we wouldn't be being as attack-minded as we want to be".
"I'm really pleased to have him with us".
"We have got a good chance".
Rashford made the most of the absence of England captain Harry Kane as he started up front alongside Jamie Vardy, and showed what he is capable of with a fiercely struck shot from 25 yards that dipped perfectly into the top corner.
England's Jack Butland (left) is substituted for team-mate Nick Pope at Elland Road, Leeds.
But it was Rashford's stunning strike which set England on course for a winning World Cup send-off as Southgate's much-changed side produced a controlled performance against Costa Rica.