Ireland prop Andrew Porter denies he was involved in foul play that led to Antoine Dupont's serious knee injury in France's Six Nations win in Dublin.

Ireland front-row Andrew Porter has opened up about his involvement in the incident which France captain Antoine Dupont suffered ruptured cruciate ligaments in his right knee during Saturday's Test at the Aviva Stadium.

Ireland prop Andrew Porter has defended himself against accusations of foul play after Antoine Dupont suffered a season-ending knee injury during France's Six Nations win in Dublin on Saturday. Ireland still have a slim chance to win the Six Nations -- which would be an unprecedented third successive title -- but they would need an unlikely set of results in the final round of games.

Maxime Lucu starts instead of injured Antoine Dupont for France's Six Nations title decider with Scotland in Paris this weekend, head coach Fabien Galthie announced on Thursday. Captain Dupont has been ruled out for at least six months with a serious knee injury suffered in Dublin and was substituted by 32-year-old Lucu at Lansdowne Road.

France will try to win the Six Nations without its talisman after captain Antoine Dupont ruptured cruciate ligaments in his right knee at the weekend.

PARIS (Reuters) -France have brought in centre Gael Fickou and scrumhalf Maxime Lucu for the injured Antoine Dupont in two changes from the team that crushed Ireland in the lineup named on Thursday to face Scotland in Saturday's Six Nations finale at Stade de France.