Six Nations: seven things to look out for this weekend

Billy Vunipola’s return should boost England, while Ireland are likely to struggle without Conor Murray and France may be distracted by domestic mattersThe significance of Billy Vunipola’s return for England cannot be overstated. Not only does he lift those around him, he also brings formidable carrying that Eddie Jones’s side lacked in the early stages of the competition. As the Championship has worn on, however, Maro Itoje has grown into his role at blindside flanker and Courtney Lawes now finds himself in his best ever international form. Itoje and Lawes swap at scrum time and so you could …