But the Wales boss admits he may have made the wrong choice from the start against Scotland, whose back-row of Kelly Brown, John Barclay and John Beattie outshone the Wales breakaway.

BBC: Back-row 'balance' excites Wales

John Barclay was outstanding for the visitors, the flanker claiming two tries in a hearty all-round display.

BBC: Scarlets 21-38 Glasgow

Thom Evans comes in on the left wing with John Barclay, Simon Danielli and Graeme Morrison dropping out.

BBC: MacDonald to make Scotland debut

Kelly Brown has now replaced the unfortunate John Barclay who withdrew with injury following a freak accident at a function.

BBC: Ireland v Scotland (Sat)

But Scotland gifted the three points straight back from the kick-off when Jason White fumbled his catch and John Barclay caught the ball offside.

BBC: Scotland 15-22 Ireland

The league champions led 11-10 at the break with Denis Hurley scoring a try for Munster and John Barclay crossing the line for the Scottish outfit.

BBC: Munster 27-19 Glasgow

But there is no room in the starting XV for his club-mate Alasdair Strokosch, with Robinson sticking with the all-Glasgow back-row of Kelly Brown, Johnnie Beattie and John Barclay.

BBC: Rory Lawson earns start for Scotland for Argentina Test

Centre Graeme Morrison was a stand-out in the two summer clashes with the Pumas but Glasgow's strongest area is the back row, where they can call upon John Barclay, Kelly Brown and Johnnie Beattie.

BBC: Scots can build on good work

The Firhill club have a long injury list, with John Barclay, Johnnie Beattie, James Eddie, Colin Gregor, Dougie Hall and Dave McCall among those sidelined and expected to miss the start of the new campaign.

BBC: Chris Cusiter & Al Kellock injury worries for Scots

Once Glasgow got some momentum into their game, they showed that with the two Richies, Gray and Vernon, and Rob Hurley following the lead of John Barclay, they could restrict Toulouse to a kicking game which was at times as aimless as it was fruitless.

BBC: Glasgow Warriors 16-28 Toulouse