England take on Ireland in Dublin on Saturday afternoon in a heavyweight start to both sides' Six Nations campaigns'. Eddie Jones' England side make the trip to determined to lay down a marker after losing both their world No 2 ranking and Six Nations crown to Joe Schmidt's side in 2018. Sportsmail's NIK SIMON runs the rule over the two teams before their crunch meeting at the Aviva Stadium. Defending Six Nations champions Ireland face Eddie Jones' England on Saturday afternoon IRELAND Robbie Henshaw - Full-back Age: 25 Caps: 37 Family history in Gaelic football should help the centre shift to his new position. 6.5. Keith Earls - Wing Age: 31 Caps: 72 Puts good form partly down to work with hypnotist and magician Keith Barry. 7.5. Ireland winger Keith Earls put his good form partly down to the work of hypnotist Keith Barry Garry Ringrose - Centre Age: 24 Caps: 17 Burdened by Brian O'Driscoll comparisons but classy blend of skill and speed. 8. Bundee Aki - Centre Age: 28 Caps: 12 Power match-up with Tuilagi - 12 years after they faced off as schoolboys. 7.5. Jacob Stockdale - Wing Age: 22 Caps: 14 Last year's top scorer clocked speeds of 10.1 metres per second in his last outing. 8.5 Johnny Sexton - Fly-half Age: 33 Caps: 79 Eddie Jones claims the world player of the year has a 'batphone' to the ref. 9. Eddie Jones will be well aware of the real danger posed by Ireland's star man Johnny Sexton Conor Murphy - Scrum-half Age: 29 Caps: 68 Lions star will test England's back three with his pinpoint box-kicking. 8.5. Cian Healy - Prop Age: 31 Caps: 84 Decade of Test experience could help him get under Sinckler's skin. 7. Rory Best - Hooker Age: 36 Caps: 114 The question is: does the nuggety hooker still have the engine at 36? 7. Tadhg Furlong - Prop Age: 26 Caps: 28 The world's complete prop because of his size and slick ball-handling skills. 9. Tadhg Furlong (centre) is the world's most complete prop due to his size and handling skills Devin Toner - Second row Age: 32 Caps: 64 His 6ft 10in frame means George's lineout's must be pinpoint accurate. 7. James Ryan - Second row Age: 22 Caps: 13 Tipped as future Lions captain. Dominant tackling and gainline breaking. 8.5. Peter O'Mahony - Blindside Age: 29 Caps: 53 Emotional leader of the team with gritty and abrasive edge in close quarters. 8. CJ Stander - No 8 Age: 28 Caps: 28 Powerful South African ball-carrier but he is not as heavy as Vunipola. 7.5. South African No 8 CJ Stander provides a powerful ball-carrier for Ireland against England Josh van der Flier - Openside Age: 25 Caps: 13 Shot to stardom after he was drafted in to start against the All Blacks. 7. Total score - 116.5 Substitutes - Sean Cronin, Dave Kilcoyne, Andrew Porter, Quinn Roux, Sean O'Brien, John Cooney, Joey Carbery, Jordan Larmour. ENGLAND Elliot Daly - Full-back Age: 26 Caps: 25 Acid test for makeshift full-back as he prepares for Irish bombardment. 6. Jonny May - Wing Age: 28 Caps: 40 Speedster is one of Jones's most consistent players. Eight tries in 10 Tests. 8. Henry Slade - Centre Age: 25 Caps: 17 Playmaking ability allows the Chief to step in owing to George Ford's absence. 7. Henry Slade's ability as a playmaker will see him step in due to the absence of George Ford Manu Tuilangi - Centre Age: 27 Caps: 27 All eyes on the powerhouse as he makes his first Six Nations start since 2013. 7.5. Jack Nowell - Wing Age: 25 Caps: 29 Will play like a third flanker to help neutralise Ireland's breakdown challenge. 7.5. Owen Farrell - Fly-half Age: 27 Caps: 65 Family connections put to one side as Ice Man tries to get one over on his dad. 8.5. Ben Youngs - Scrum-half Age: 29 Caps: 80 Under pressure from Dan Robson after being dropped by Leicester. 6. Ben Youngs finds himself under pressure after being dropped by Dan Robson at Leicester Mako Vunipola - Prop Age: 28 Caps: 51 Lions showdown with Furlong at the scrum as Mako returns from injury. 8.5. Jamie George - Hooker Age: 28 Caps: 32 Weight advantage of 16lb could help the Saracens hooker destabilise Best. 8. Kyle Sinckler - Prop Age: 25 Caps: 17 Standout player in the autumn but Irish front row will test his set-piece mettle. 7.5. Maro Itoje - Second row Age: 24 Caps: 26 Breakdown threat and energy. Saracens' standout player this season. 8.5. Twenty-four-year-old Maro Itoje has been Saracens' standout star and is a threat for England George Kruis - Second row Age: 28 Caps: 27 Surprise pick ahead of Lawes and Launchbury due to his lineout knowledge. 7. Mark Wilson - Blindside Age: 29 Caps: 8 Versatile back-row shifted to favoured blindside role after filling in at No 8. 7. Billy Vunipola - No 8 Age: 26 Caps: 36 Missed autumn but battering ram No 8 will be at heart of 'brutal' gameplan. 8.5. Tom Curry - Openside Age: 20 Caps: 5 Breakdown specialist will try to fix area that crippled England last year. 7 Total score - 112.5 Substitutes - Luke Cowan-Dickie, Ellis Genge, Harry Williams, Courtney Lawes, Nathan Hughes, Dan Robson, George Ford, Chris Ashton. All rights reserved for this news site dailymail and under his responsibility