Euro 2012 qual. - Walker gets shock England call
Nevertheless, Walker's elevation is a shock and comes at the end of a period when the 20-year-old has excelled in loan spells with both QPR and Villa, Harry Redknapp having decided there is no short-term use for the Sheffield-born player at his parent club Tottenham.
He subsequently joined Tottenham at the start of last season, although he struggled to make an impact at White Hart Lane and it was not until he signed a loan deal with QPR in September that he started to catch the eye.
Capello's lack of options at right-back are emphasised by the fact Glen Johnson is favoured to start in that role against the Danes, even though he has spent the last few weeks at left-back for Liverpool after an inconsistent campaign.
Defenders: Leighton Baines (Everton), Gary Cahill (Bolton Wanderers), Ashley Cole (Chelsea), Michael Dawson (Tottenham Hotspur), Glen Johnson (Liverpool) Joleon Lescott (Manchester City), John Terry (Chelsea), Kyle Walker (Aston Villa).
Midfielders: Gareth Barry (Manchester City), Stewart Downing (Aston Villa), Steven Gerrard (Liverpool), Frank Lampard (Chelsea), James Milner (Manchester City), Scott Parker (West Ham United), Theo Walcott (Arsenal), Jack Wilshere (Arsenal), Ashley Young (Aston Villa).