Courtney Lawes insists England fans will see a changed man at Twickenham on Saturday as he believes controlling his recklessness will preserve his career . The 26-year-old Northampton lock returns to Stuart Lancaster ’ s starting line-up against Scotland after recovering from ankle surgery in January and will be charged with running the line-out . Renowned as one of the world ’ s most physical players , Lawes has suffered several injuries since making his England debut aged 20 and the son of a nightclub bouncer accepts he needs to choose his battles . Northampton lock Courtney Lawes , in England training , returns to Stuart Lancaster 's starting XV . ‘ If I ’ m reckless then I ’ ll probably hurt myself which is why I keep a lid on things these days , ’ said Lawes , who will win his 37th cap . ‘ I ’ ve always been pretty chilled but when you ’ re younger , frustrations can get the better of you and you can be a bit rash . I ’ ve matured . I know I ’ m not made of steel. ’ Lawes replaces George Kruis in the second row for the Calcutta Cup clash . The 26-year-old , working hard on Wednesday at England HQ , will win his 37th cap at Twickenham . The England squad played out a fiercely committed training match on Wednesday ahead of facing Scotland .
England take on Scotland in the Six Nations on January at Twickenham . Courtney Lawes returns to the England starting XV alongside Mike Brown . 26-year-old lock Lawes has recovered from ankle surgery in Saturday .