Opinion is entirely split over whether David Luiz was a good signing for Chelsea.
At £32 million, making him football's first £100 million defender, there's an argument to be made that Antonio Conte has paid over the odds for a player renowned for making costly errors.
On the other hand, Luiz is versatile and recently insisted he is willing to play wherever his manager tells him to.
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Only time will tell whether his return is money well spent.
But for Chelsea legend and Sky Sports pundit Ray Wilkins, Luiz is a nonsensical signing and "a penalty waiting to happen".
Speaking on Sky Sports, in quotes relayed by the Metro, he said: "We are coming up to Christmas and he loves giving presents away.
"He is a penalty just waiting to happen, especially as a central defender.
"Don't get me wrong, he is a very talented footballer, but he is not a centre-half as far as I’m concerned.
"He is a holding midfield player or a midfield player. He just makes very, very rash decisions and poor decisions as a centre-half. I don't understand why they brought him back into the fold."
Wilkins' concerns were epitomised by Luiz's dreadful display for Paris Saint-Germain during a 3-1 defeat to Monaco in late August, for which he was rated a 2/10 by L'Equipe.
The Brazil international was hauled off by manager Unai Emery in the 62nd minute having received a yellow card and given away a penalty.
However, it would seem Conte has every intention of using Luiz as a centre-back when the Premier League restarts this weekend.
"I think David Luiz is a centre-back," the Italian told ChelseaTV, "he's played a lot of games in that position.
"I know sometimes he's played as a central midfielder but in my mind, the idea is to utilise him in the right position which, for me, is centre-back. He's played with Chelsea previously and he will bring a good personality."
As for Luiz - well, he's happy to play just about anywhere.
He also told ChelseaTV: "I started playing three at the back with Vitoria in Brazil, but it doesn’t matter where. I want to help and when I am in the team I am there to try to help.
"The coach is an amazing coach, he understands a lot of tactical things and I know he chooses every match the best line up.
"If he needs to play three, four or two, it doesn't matter, I am there if he wants me to play. In different positions I am available."