Chelsea's Martinez to Return in Weeks After Surgery

• Chelsea goalkeeper Emiliano Martinez underwent surgery after a head collision during a match against Everton.
• Martinez expects to return to play in a few weeks.
• The injury occurred during Chelsea's 2-0 win at Everton in the Premier League.
• Martinez collided with Everton defender Jarrad Branthwaite during the match.
• The surgery was performed following the incident on Saturday.