Connacht fly-half Andy Dunne start at fly-half with Ulster's Niall O'Connor as his understudy on the bench.
Wing Simon Danielli, fly half Dan Parks and lock Scott MacLeod are injury doubts but are expected to be fit.
At fly half there is no competition - Johnny Wilkinson is way ahead as the best 10 in the business at the moment.
Scotland were awarded a long range penalty in the 53rd minute but fly half Dan Parks' effort went narrowly wide of the posts.
The fly half went on to score 19 points in total for Pau and his input was to prove vital in the context of the match.
Ceri Sweeney started at fly-half in their 21-12 loss at Murrayfield ahead of Norton-Knight while Dai Flanagan, the other recognised fly-half at the Cardiff City Stadium, was on the replacements bench.
Mallett once again faced questions about his team selection following his decision to play Andrea Marcato - nominally a fly-half - at full-back and Luke McLean - nominally a full-back - at fly-half.
Ruan Pienaar has also been switched from his usual scrum-half role to fly-half for the first time, partnering Fourie de Preez.
Jarvis levelled the scores with a close-range penalty for the final score of the half but the fly-half was sent to the sin-bin five minutes after the restart after persistent Quins infringement.
Scrum-half Tavis Knoyle, fly-half Rhys Priestland and back-rowers Josh Turnbull and Rob McCusker will link up with the region, although Stephen Jones and national captain Matthew Rees will also remain with Wales.
McGeechan is set to name his Lions squad next month with full-back Lee Byrne, flanker Martyn Williams, lock Alun Wyn Jones, wing Shane Williams, props Gethin Jenkins and Adam Jones, scrum-half Mike Phillips, fly-half Stephen Jones and captain Ryan Jones as Wales' front-runners to make the tour.
The other nominees are Bristol scrum-half Shaun Perry, Northampton fly-half Carlos Spencer, Wasps wing Tom Voyce and Sale flanker Jason White.
BBC: SPORT | Rugby Union | English | Catt nominated for players award
Teenage Blues wing Leigh Halfpenny claimed a stunning first-half brace while Gareth Thomas and fly-half Nicky Robinson also touched down.
Also nominated are Scotland scrum-half Mike Blair, New Zealand fly-half and 2005 player of the year Dan Carter, plus Italy captain Sergio Parisse.
Saracens' only first half points came from the boot of fly-half Owen Farrell.
Maori scrum-half Aaron Smith pounced on it and fly-half Stephen Brett delayed his pass perfectly for Messam to charge to the right corner.
But, when Michael Stephenson was penalised for crossing by referee Dean Richards shortly before half-time, Newcastle's fly-half was on song with a 37-metre strike to make it 11-0 at the break.
Stephen Jones' kick-off epitomised the Scarlets' season thus far - off kilter as the ball ran dead, bringing a scrum on half-way at which the Wales fly-half must have been relieved to see a free kick awarded against Ulster.
Scrum-half Shaun Perry is out injured but Sale fly-half Charlie Hodgson, Gloucester centre Mike Tindall and club team-mate Iain Balshaw are all fit again and back in favour.
The second-half saw the introduction of Junior All Black fly-half Jimmy Gopperth in place of Rob Miller, and Bates said the former Blues half-back offered much needed stability and quality to the Falcons midfield.
They pinned Munster back inside their own half from the first whistle and although France scrum-half Elissalde, playing out of position at fly-half, missed an early penalty he nudged Toulouse into the lead after eight minutes with a snap drop-goal.
The second half did not provide the same thrills, but fly-half Sweeney did add his second try to cap a fine night.
Chris Malone twice had a chance to level the scores either side of the half-hour mark, but each time the Quins fly-half pushed his kick across the posts.
The visitors finally managed to get on the board late in the first half with two penalties from McLean, on for battered fly-half Marcato, either side of a Goode penalty for the hosts.
The Welsh club opened a six-point first-half lead through two Hook penalties before Ulster's young fly-half Niall O'Connor, making his first Heineken Cup appearance, reduced the deficit to three points with a 17th minute penalty.
Pietersen reduced the deficit five minutes later as he cut inside from the right wing to link with scrum-half du Preez after a well-worked lineout, but fly-half Ruan Pienaar hit the post with his conversion attempt.
The Blues' second-half fightback was helped by an injury suffered by Toulon and England fly-half Jonny Wilkinson, who had to be substituted in the 47th minute.
Leinster really did not get into their stride in the first half and had to rely on the boot of St Mary's fly-half Sexton for their interval advantage.
O'Gara performed impressively after being introduced in the second half at Twickenham but Kidney has elected to keep faith with Sexton at fly-half, with the Munster man staying in reserve.
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