Premiership champions Saracens have completed the signing of South Africa captain John Smit.

The 33-year-old hooker will move to the Men in Black after September's World Cup in New Zealand is over.

His arrival is a significant addition to Sarries' squad as they look to mount a strong Heineken Cup challenge next season.

Smit said: "I am delighted to have signed for a club widely renowned for the ferocious work ethic and spirit on the field and for the unique way it treats people off the field.

"It is becoming a very special rugby club, combining a cast-iron commitment to develop young English players with a clear South African flavour. I’m looking forward to rejoining former teammates like Deon Carstens and Brad Barritt, and also to working with players like Jamie George, last year’s England under-20 hooker.”

Saracens director of rugby Mark McCall said: "We are absolutely thrilled to have signed one of the most prominent and admired players in world rugby. John is an outstanding leader and hooker, and I am certain he, Roxy and their children will all thrive in our environment.”