New Delhi, Dec. 23 -- Liverpool striker Alexander Isak will be sidelined indefinitely after undergoing surgery on Monday on a broken ankle and fibula.

The British record $170 million signing was injured in a tackle while scoring the opening goal in Saturday's 2-1 win against Tottenham in the Premier League and limped off.

Isak's absence will not only impact Liverpool's campaign but possibly Sweden's chances of qualifying for the World Cup. Sweden is in the European playoffs in March when it faces Ukraine in the semifinals.

"After diagnosis, an operation was completed today on an ankle injury that included a fibula fracture," Liverpool said in a statement. "Isak's rehabilitation will now continue at the AXA Training Centre, with no time...