England's RBS Six Nations preparations have been dealt a blow with the news that Northampton flanker Calum Clark has been ruled out of action for the "foreseeable" future.
Flanker Calum Clark requires shoulder surgery and set for extended lay-off
England's RBS Six Nations preparations have been dealt a blow with the news that Northampton flanker Calum Clark has been ruled out of action for the "foreseeable" future.