Nigel Owens is set to break the world record for the most Test match appearances by a rugby union referee.
The Auckland-born player, who captained New Zealand in all three formats of the game, also holds the record for the most Test and ODI appearances for his country.
The most recent of Armitage's five Test appearances for England came as a replacement in the 17-12 win Italyaly in February 2010.
Wales' most-capped forward Williams - he made 100 Test appearances for his country - fears Ryan Jones will miss out.
Most Ashes wickets: 26 by McGrath, who took full advantage of the Lord's slope in his three Test appearances there - 1997, 2001 and 2005.
In only 47 Test appearances, Roberts picked up 202 wickets.
Most test groups included three young.
The play sets up a series of challenges for Essendine's equanimity, the most testing of which is the appearance at his door of an uncouth critic and would-be playwright, the well-named Roland Maule (Brooks Ashmanskas).
Ireland's most-capped hooker will make his 80th Test appearance at the weekend, with his fellow British & Irish Lions Johnny Sexton, Sean O'Brien and Jamie Heaslip all returning from injury.
Ireland's most-capped hooker will make his 80th Test appearance at the weekend after being forced off in the second half in Rome.
