Tiemoue Bakayoko completed a transfer from Monaco on 15 July 2017, signing a five-year contract.
He is a tall, strong and quick central midfielder who was instrumental in Monaco’s Ligue 1 triumph the previous season, as well as their impressive run to the Champions League semi-finals.
A France international, he is widely recognised as one of the best young central midfielders in European football.
In possession, Bakayoko typically plays quickly and simply but has the ability to be more expansive if required, and is strong in a one-on-one situation. In 2016/17 he was ranked 15th in Ligue 1 for successful take-ons, highlighting his dribbling ability.
In a tight central midfield two at Monaco he starred as they unexpectedly beat Paris St-Germain to the 2017 title and also reached the last four of the Champions League, knocking out Manchester City and Borussia Dortmund en route. Bakayoko scored the decisive goal in a thrilling two-legged tie against the Premier League side.
Born in Paris, Bakayoko came through the Rennes academy in the north-west of France and made his senior debut in August 2013, a week after his 19th birthday.
He signed for Monaco the following summer and made almost 100 appearances for the principality side during his three seasons there, scoring five goals. He made great strides after former Blue Claude Makelele joined Monaco as a technical director in January 2016.
At international level, Bakayoko was a member of the junior France team that finished runners-up at the 2014 Toulon Tournament.
He made his senior international debut for France against Spain in March 2017, playing alongside N'Golo Kante and with Alvaro Morata and Pedro in opposition.
Having completed his recovery from injury during the pre-season of 2017, Bakayoko made his Chelsea debut when he started a Wembley win over Spurs. His first goal came in a big home win over Azerbaijan side Qarabag in the Champions League. His first Premier League goal followed at Crystal Palace in October 2017 although that one in a defeat.
Di musim pertamanya di Chelsea, pemain Perancis ini terus dimainkan oleh Antonio Conte di lini tengah namun sempat diusir keluar lapangan setelah menerima dua kartu kuning di babak pertama kala tim kalah di Watford pada Februari.
Cedera memaksanya menepi selama lima pekan dan setelah itu ia kembali bermain sebagai pengganti saat mengalahkan tim tamu Crystal Palace.