The Switzerland midfielder scored his first goal for the Black Cats against Everton on Monday and also has three assists.

Le Garrec wore the number nine shirt for a third-string side for three losses in New Zealand in July.

Heitinga signed a two-year contract in May but has not been able to mastermind a turnaround in the club's fortunes. His contract would be terminated, Ajax said.

The former US Open runner-up is competing in the WTA Finals for a fourth consecutive season and believes the calibre of the field this year is stronger than ever.

Police have classified the fixture as "high risk".