Sean O’Brien’s day ends early as heavy knock causes him to wobble and fall over
Source: James Crombie/INPHO Click Here: adidas superstar Shoes SEAN O’BRIEN LASTED just 25 minutes of today’s Six Nations clash with England after suffering a suspected concussion. The Tullow Tank came crashing into England’s George Ford and lost his balance while attempting to get back to his feet moments later. Despite wanting to continue, O’Brien was…