Sam Allardyce, Manager of Crystal Palace looks on prior to the Premier League match between Crystal Palace and Swansea City at Selhurst Park on January 3, 2017 in London, England.

Swansea City's Spanish defender Angel Rangel celebrates after scoring their second goal during the English Premier League football match between Crystal Palace and Swansea City at Selhurst Park in south London on January 3,...More

Swansea City's Spanish defender Angel Rangel (2nd L) shoots to score their second goal during the English Premier League football match between Crystal Palace and Swansea City at Selhurst Park in south London on January 3,...More

Angel Rangel of Swansea City celebrates scoring his team's second goal during the Premier League match between Crystal Palace and Swansea City at Selhurst Park on January 3, 2017 in London, England.

Angel Rangel (L) of Swansea City celebrates scoring his team's second goal during the Premier League match between Crystal Palace and Swansea City at Selhurst Park on January 3, 2017 in London, England.

Wilfried Zaha (1st R) of Crystal Palace scores his side's first goal during the Premier League match between Crystal Palace and Swansea City at Selhurst Park on January 3, 2017 in London, England.

Sam Allardyce (2nd R), Manager of Crystal Palace celebrates as Wilfried Zaha scores his side's first goal during the Premier League match between Crystal Palace and Swansea City at Selhurst Park on January 3, 2017 in London, England.

Swansea City new manager Paul Clement reacts as he stands on the touchline during the Premier League match between Crystal Palace and Swansea City at Selhurst Park on January 3, 2017 in London, England.

Swansea City new manager Paul Clement reacts as he stands on the touchline during the Premier League match between Crystal Palace and Swansea City at Selhurst Park on January 3, 2017 in London, England.