Saracens trio Steve Borthwick, Neil de Kock and Kelly Brown have all signed contract extensions with the club.

Captain Borthwick moved to the London side from Bath in 2008.

Back-row Brown signed for the club from Glasgow Warriors in January 2010.

Scrum-half de Kock made the switch to Sarries in 2006 from Western Province.

Saracens begin their Aviva Premiership campaign on Saturday when they host local rivals Wasps.