There are some managers that go into great detail when it comes to set-pieces.Having the ability to be effective from free-kicks and corners - both offensively and defensively - could make all the difference to a club’s season.And some clubs even hire a specialist set-piece coach to take advantage of these situations.That’s what Leeds did after they signed Gianni Vio earlier this season.Via has built an excellent reputation as an expert with set-piece routines with spells at Fiorentina, AC Milan and Brentford.When he signed Leeds manager, Thomas Christiansen, insisted that Vio was “one of the best in the world” at what he does.“He’s a specialist and he’s one of the best in the world,” Christiansen said.

“His CV and all the numbers tell good things about him, what he has achieved in many clubs. One of them is Fiorentina where he did a fantastic job. He has many interesting ideas. “The club told me there was a possibility (or recruiting Vio) and of course I want to have the best with me. I’m more than happy with that.”

And Vio’s influence was there was all to see during Leeds’ trip to Burton on Boxing Day.

Leeds were 1-0 down after an hour when they got a free-kick 25 yards out.

What happened next was pretty eventful.

The Leeds players lined up a ‘wall’ behind Burton’s wall, whilst two of their players stood right in front of goalkeeper Stephen Bywater. It clearly angered the ‘keeper as he was soon booked for pushing a Leeds player away.

After a few minutes of confusion, Pablo Hernandez stepped up a struck his free-kick into the back of the net.

Just take a look:

And Leeds’ tactics have gone viral. Just check out the reaction it got on social media:

That free-kick got Leeds right back into the match and Kemar Roofe made it 2-1 just three minutes later.

It was certainly interesting tactics from Leeds and it clearly appeared to work. Whether it’s ethically correct is another question altogether…