Cardiff Blues centre Jamie Roberts will miss the rest of the season and Wales' summer tour to Australia after it was decided that he needs to undergo knee surgery.

Gavin Henson has been sacked by his club Cardiff Blues following his drunken behaviour on a flight on Saturday morning.

Martin Haag, the Bath forwards' coach, was delighted to secure a home LV Cup semi-final against Leicester Tigers after a comprehensive 31-3 victory over Exeter yesterday. A first-half hat-trick from flying wing Tom Biggs helped Bath finish top of Pool One.

Wales boss Warren Gatland has dismissed any notion of him taking a double risk with Jamie Roberts and Rhys Priestland for Sunday's RBS 6 Nations opener against Ireland.

Treviso v Saracens

Edinburgh 19 Cardiff Blues 12

When Sebastian Coe agreed to take part in Who Do You Think You Are? (BBC1, Wednesday), he may have thought it would make a pleasant distraction from organising London 2012, but there was no running away from his past. He is forever being asked about the legacy of the Olympic Games, so it was no surprise that he should find himself poring over the last wills and testaments of his forefathers to find out what they left behind. It was to be a legacy of leg-overs and leg-chains.

Martin Johnson and the rest of the England management were relieved to get through yesterday without a fresh calamity on the injury front, although they would not have been wholly surprised if, having granted their players a short holiday ahead of the next week's World Cup squad announcement and final warm-up game in Dublin, one of them suffered third-degree burns while barbecuing a chicken leg. Wales? They were not so lucky – they have lost Matthew Rees, Gavin Henson and Morgan Stoddart already and must now be wondering if their fortunes will ever change.

Already wounded by the World Cup withdrawals of two of his Lions Test contingent – the centre Gavin Henson and the hooker and captain Matthew Rees – the Wales coach Warren

The Wales hierarchy had sensed the bad news coming down the track for some time, but when the confirmation finally arrived yesterday it was still hard to take. Matthew Rees, the 30-year-old hooker from the Rhondda who forced his way into the Lions Test front row in Springbok country two years ago before establishing himself as captain of the national team, will miss the forthcoming World Cup because of a serious neck injury that certainly requires surgery and may threaten his rugby career.

Gavin Henson has been handed his chance to push for World Cup selection when Wales face England at the Millennium Stadium on Saturday.

Gavin Henson hopes to be playing regional rugby in Wales next season.