Greening was the club's second signing on Friday, after Waikato prop David Van Eyk joined on a two-year contract.

The New Zealander and former Harlequins player Jon Dawson are the new props to join the Premiership club.

"This signing of David will go a long way in rebuilding our front row. He's a big unit - tall and very strong," said forwards coach Craig Dowd.

"I've enjoyed playing at Waikato but this opportunity was a chance not to be missed," said Eyk.