Ruben Loftus-Cheek vowed to come back strong after the Chelsea midfielder confirmed the surgery on his ruptured Achilles tendon was a success.
Loftus-Cheek suffered the injury during Chelsea's 3-0 friendly win against the New England Revolution in Boston on Wednesday.
Chelsea are yet to put a timescale on his return, but he will miss the Europa League final against Arsenal on May 29, as well as England's Nations League Finals campaign in Portugal in June.
Editors' Picks
Goal understands Loftus-Cheek is expected to miss five and nine months of action, which could see him sidelined for much of the first half of the 2019-20 season.