Wales head coach Warren Gatland says that prop Samson Lee 's World Cup prospects are '50-50 ' after he was injured during last Saturday 's RBS 6 Nations victory over Ireland . Gatland has confirmed that Lee , who was carried off just 14 minutes into the Ireland game , suffered a full rupture of his Achilles . Ospreys prop Aaron Jarvis will replace him for next Saturday 's Six Nations appointment with Italy in Rome , with loosehead Rob Evans taking over from Gethin Jenkins , who has a hamstring problem . Gatland said : 'We were hoping he ( Lee ) was going to have surgery on Monday , but there was too much swelling , and it has been put back a week . Wales will be missing props Gethin Jenkins and Samson Lee when they take on Italy in Rome on Saturday . 'He is a 50-50 chance for the World Cup , but we are confident he has enough time to get back and be available for the World Cup . 'If things go well , he will not be far away . ' Evans and Jarvis will line up against Italy , while there are call-ups on the bench for hooker Ken Owens , props Rhys Gill and Scott Andrews and scrum-half Gareth Davies , with Mike Phillips missing out . Owens features among the substitutes instead of Gloucester hooker Richard Hibbard , who had been following return-to-play protocols after taking a blow to his head during the Ireland game . Saracens forward Gill , meanwhile , gains a match-day place after only joining the squad for training on Monday , while Davies - a livewire operator and consistent try-scorer for the Scarlets - gets his chance instead of the hugely-experienced Phillips . VIDEO Wales dash Ireland 's Grand Slam hopes - highlights . Rob Evans of Scarlets ( right ) replaces Jenkins in the squad that travels to the Stadio Olimpico on Saturday . In terms of the starting line-up , it will be Evans ' full Wales debut after he went on as a replacement for Jenkins at half-time last Saturday , with Jarvis continuing instead of Lee . Wales will head to the Stadio Olimpico lying third in the Six Nations table behind England and Ireland on points difference . A comprehensive victory over Italy , though , would turn up the heat on their title rivals , with Ireland tackling Scotland at Murrayfield next Saturday , followed by England hosting France at Twickenham . Ospreys prop Aaron Jarvis has also been called up as a replacement as Wales look to win the RBS 6 Nations . Gatland added : 'It was great to get the result we wanted in front of our home supporters last weekend and to give us a chance going into the last round of action . 'Obviously , it 's disappointing for Gethin and Samson , but Rob and Aaron stepped up well last weekend and we expect the same on Saturday . 'The challenge to us is to go to Italy and win , and try to win by a significant margin , but we know that 's an extremely tough ask and the first job will be to simply get the result . Jenkins ( right ) joins Wales team-mate Aaron Jarvis in tackling Ireland 's Jamie Heaslip on Saturday . 'Italy build their confidence around the scrum and lineout drive , and that is an area we are going to have to compete strongly in at the start of the match . ' Wales have won five of their previous seven Six Nations visits to Rome , highlighted by a 38-8 victory in 2005 . And they are going to need something similar - if not better - if they are to realistically have a chance of securing their third Six Nations title in four years .
Gethin Jenkins and Samson Lee both suffered injuries against Ireland . The props suffered hamstring and Achilles problems respectively . Scarlets ' Rob Evans and Ospreys ' Aaron Jarvis are called up . Ken Owens , Rhys Gill , Gareth , Scott Andrews Davies get bench call-ups .