Chelsea have completed the double signing of Sporting midfielders Geovany Quenda and Dario Essugo for a combined fee of around £62.4m, the Portuguese club have said.
Winger Quenda, 17, will join Chelsea for a fee of up to £44m according to an announcement on the Sporting website, external, but will remain in Lisbon until the end of the 2025-26 season.
The teenager has broken into Sporting's first team this season and made his Champions League debut in September.
Essugo, a 20-year-old defensive midfielder, will move to Stamford Bridge in the summer following a loan spell at Las Palmas.