Ruddock will spend the week analysing what went wrong at Franklins Gardens

Worcester Warriors director of rugby Mike Ruddock has called on his team to improve their set-piece play following Sunday's 21-13 defeat to Northampton.

Ruddock was disappointed with his team in the line-out and scrum.

He told BBC Hereford & Worcester: "Our per centage figures were right down there, we have to ask why we didn't get in our normal accuracy.

"That's key to launching our game, and if we don't get that right we are going to struggle."

Ruddock added: "Playing catch up when you are not playing very well is difficult, and while the new laws did have their effect it's something we have to address."