Wales centre Jamie Roberts goes head to head as he tackles Ireland hooker Rory Best in the second half. Check out the following video from Round 4 of the RBS 6 Nations as Wales take on Ireland at the Millennium stadium.<br />For more information on the RBS 6 Nations visit www.rbs6nations.com. <br /><br />Subscribe to our channel @ http://www.youtube.com/user/RBS6Nations?sub_confirmation=1<br /><br /><br />Wales<br /><br />15. Leigh Halfpenny<br />14. George North<br />13. Jonathan Davies<br />12. Jamie Roberts<br />11. Liam Williams<br />10. Dan Biggar<br /> 9. Rhys Webb<br /> 1. Gethin Jenkins<br /> 2. Scott Baldwin<br /> 3. Samson Lee<br /> 4. Luke Charteris<br /> 5. Alun Wyn Jones<br /> 6. Dan Lydiate<br /> 7. Sam Warburton<br /> 8. Taulupe Faletau<br /><br />16. Richard Hibbard<br />17. Rob Evans<br />18. Aaron Jarvis<br />19. Jake Ball<br />20. Justin Tipuric<br />21. Mike Phillips<br />22. Rhys Priestland<br />23. Scott Williams<br /><br /><br /><br />Ireland<br /><br />15. Rob Kearney<br />14. Tommy Bowe<br />13. Jared Payne<br />12. Robbie Henshaw<br />11. Simon Zebo<br />10. Jonathan Sexton<br />9. Conor Murray<br />1. Jack McGrath<br />2. Rory Best<br />3. Mike Ross<br />4. Devin Toner<br />5. Paul O'Connell<br />6. Peter O'Mahony<br />7. Sean O'Brien<br />8. Jamie Heaslip<br /><br />16. Sean Cronin<br />17. Cian Healy<br />18. Marty Moore<br />19. Iain Henderson<br />20. Jordi Murphy<br />21. Eoin Reddan<br />22. Ian Madigan<br />23. Felix Jones<br /><br /><br />Read more at http://www.rbs6nations.com/en/matchcentre/28057.php#eIvCTd2y1gPGKSMG.99
