Chelsea have added England under-21 international winger Jamie Gittens to their array of attacking talent, signing him from Borussia Dortmund.

The Blues will reportedly pay an initial £48.5 million for the 20-year-old, who was in Chelsea's academy as a youth player, with a further £3.5 million in add-ons.

Gittens eventually moved to Manchester City's academy before signing for Dortmund in 2022.

He made 107 appearances for the German giants, scoring 17 goals, 12 of which came in the Bundesliga and Champions League last season.

"It's a great feeling to join such a big club as Chelsea," said Gittens.

"I can't wait to learn from everyone in the team and to push myself to the max here. It's an amazing feeling."

Gittens became Chelsea's fifth signing of another big-spending summer, joining forwards Liam Delap and Joao Pedro, midfielder Dario Essugo and defender Mamadou Sarr.

Gittens, though, will not be eligible to feature in Chelsea's semi-final against Fluminense on Tuesday or the final should the Blues progress.