But at the relatively old age of 26, the France worldwide finally made his European club bow on Tuesday night in Chelsea's 6-0 thrashing of Qarabag.
Chelsea midfielder N'Golo Kante has named the one Arsenal player that the Blues will need to be wary of as the two sides go head-to-head at Stamford Bridge this Sunday, report the London Evening Standard.
Champions League success has always been a priority at Chelsea, and the club will want to prove they can mix it with the best in the world - especially after a season away from the competition last time out.
However, Antonio Conte has made sure that he has strengthened his midfield options by tying up deals for both Monaco midfielder Bakayoko and Leicester City man Drinkwater. Last May's Footballer of the Year award, coming on top of his second Premier League title in a row, was another.
"I think last season was incredible for me and the club but this was the past and we need to focus for the future, and this is what we need to do, and I don't feel like the Player of the Year".
Kante left the Foxes at the start of last season for a switch to Stamford Bridge, but the move raised a few eyebrows given Leicester had qualified for the Champions League following their monumental title win in 2016, while Chelsea were without European football.
The England worldwide joined the Blues on deadline day in a £35m deal.
"I am pleased for him to come into Chelsea", Kante told Starsport. It wasn't expected and I really enjoyed the season that I spent with him. "It's going to be a good fight, and we need to be ready for Sunday's game but I think [the teams] know each other". "In France, he was a very good goal scorer who scored for many, many years and he will be a threat for Sunday's game. We need to win, because it's important for us".