31.   Garryowen number eight Ben Cronin, who was selected to win his first cap against the USA but missed out through injury, has been left out.

32.   He returns for his first cap since March last year.

33.   He was named in the World Cup squad ahead of the more experienced Niall Woods and earned his first cap in the surprise defeat to Italy a month ago.

34.   His chances of winning his first England cap are not improved by the summons.

35.   If either of his joints lets him down, it would mean a first cap for Leicester scrum-half Austin Healey.

36.   It is his first full cap since playing New Zealand six years ago.

37.   All rounder Craig Wishart and seamer Charles Lock won their first caps while the South Africans left out Rudi Steyn, opting instead for Andrew Hudson.

38.   Also back in the fold and in line for his first home cap is veteran offspinner Pat Symcox.

39.   Army corporal Matt Stewart is set to win his first cap on Saturday after being named in the Scotland side to face Italy at Murrayfield.

40.   Cardiff wing Craig Morgan is set to win his first Test cap when Wales open their Six Nations campaign against Ireland in Dublin on Sunday.