Thibaut Courtois has become the latest Chelsea player to praise Antonio Conte's decision to switch to a 3-4-3 system at Stamford Bridge.
Chelsea enjoyed a bright start to the season after winning their opening three games, but the club's momentum faltered following back-to-back defeats to rivals Liverpool and Arsenal.
However, Conte opted to tweak his tactics after being outplayed at the Emirates Stadium and has set the Blues up with three central defenders in recent weeks.
The Italian's decision has yielded instant success with Chelsea securing three successive victories - and three clean sheets - the latest of which saw Conte's men sweep Manchester United aside 4-0.
"We have more defensive security," Courtois told the club's website of the new 3-4-3 formation.
"Against Hull and Leicester I didn’t have to make many saves but against United I did, we’ve been defending very well.
"At the Euros I played for Belgium against Italy and Wales, who both used this system, and they were very difficult games."
Despite Chelsea's new-found solidity, Courtois still needed to be at his best to keep United out on Sunday.
The Belgian produced a string of fine saves, including a late reflex reaction to deny Zlatan Ibrahimovic.
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"I think it was the best one because the others were all shots I could see coming," the 24-year-old said.
"With the one from Zlatan, he controlled it and he was very close but I was quick to the ground and got my body behind it.
"Luckily that’s one of my qualities and it was good that I could show it."
