Say what you like about Chelsea this season, but their midfield is stacked with quality.
David Luiz is still worrying some of the nervier supporters at Stamford Bridge in defence and Alvaro Morata certainly isn't the prolific goalscorer Chelsea need, but they're unstoppable in between.
First things first, they have N'Golo Kante patrolling the defensive areas of the pitch and although he's been deployed differently under Maurizio Sarri, he remains one of the world's best at his job.
Then there's Jorginho who has helped the Blues to embrace the club's new brand of football and has been a passing machine, breaking his very own Premier League record at the weekend.
The final midfield spot is unquestionably the most debated, however, with three in-form players all scrambling for that remaining position in the starting XI.
Competitive Chelsea midfield
Ross Barkley is one of the contenders, having enjoyed an unexpectedly impressive start to the season after choosing a move to west London back in January.
Up next is Ruben Loftus-Cheek who has won the hearts and minds of supporters with his rise from the academy, scoring six goals in 15 appearances this season.
In spite of their efforts, however, it's Real Madrid loanee Mateo Kovacic who remains the favourite of Sarri and he has already been deployed on 24 occasions across the 2018-19 campaign.
Chelsea fan makes Kovacic video
Although undoubtedly technically gifted, Kovacic has often proved a divisive figure amongst Chelsea fans and popular opinion of him can shift from game to game.
Yet, just as debate about his position reached fever pitch, his performances saw an impressive upturn and December has been something of a watershed moment for the Croatian.
So it's only fitting that YouTuber user and Chelsea fan 'CFC videos' has strived to get the message out, compiling a compilation titled: 'Mateo Kovacic did all this in one month.'
An apt title for a superb set of highlights - check out the video down below:
One of the most underrated players in the Premier League, there's no doubt it.
The only thing missing from his game is the goals that graced his time with Inter Milan, but almost every other aspect of his performances have been superb in recent weeks.
It's credit to Kovacic that he has been able to maintain his spot in the starting XI despite brilliant form from Loftus-Cheek and Barkley since the summer.
And it really makes Chelsea fans wonder: should they sign Kovacic on a permanent basis next year?
The player himself is certainly open to the idea, remarking in last week: "I think it [leaving Real Madrid] was the most important thing I did for now in my career.
"For now, I am happy here. The city is amazing, the club is one of the best in the world, and my team-mates are great. I need to respect my previous club, Real Madrid."
Do you think Chelsea should sign Kovacic permanently? Have your say in the comments section below.