But Olomouc once again breached the Aberdeen backline early in the second leg encounter.
Meanwhile, Saracens have strengthened their backline for next season by signing Edd Thrower from Wasps.
Johnson has already suffered a host of injuries to his backline ahead of the series.
His versatility allowed him to play in every position along the backline from fly-half through to full-back.
BBC: Rogers played 45 Tests for Australia in the 15-man code
Lyon, however, needed only 10 minutes to breach the visitors' surprisingly shaky backline for the first time.
Dempsey's early try came after a defensive error in the Castres backline and Sexton kicked the extras.
Stoddart's inclusion rules out a backline reshuffle that would have resulted in Jamie Roberts switching to wing.
"We have got some big men in that backline who can get over the gain line, " said North.
Sunderland's attacks became increasingly desperate and the West Ham backline comfortably coped with the hopeful crosses from deep.
Spain dominated possession in the opening minutes and looked to have the measure of an uncertain Dutch backline.
Australia probably have the most experienced backline in the world and this side have peaked at the right time.
Johnson believed that the experiment was a success against a robust Samoan backline.
The visitors got forward in numbers and applied sustained pressure on a Boro backline that was beginning to creak.
It is vital to have that threat going the other way in order to give your backline some respite.
Wenger, meanwhile, was unhappy with the playing surface in Manchester but he praised the opposition backline for frustrating Arsenal's attack.
BBC: Arsene Wenger blames Man Utd pitch for Arsenal mistakes
After opening the scoring early on the Potters continued to carve through the West Ham backline with almost embarrassing ease.
Considering the other injuries we have across our backline this could not have come at a worse time for us.
Despite being forced to play most of the match with a make-shift backline, Ferguson had little sympathy for his players.
Conti says, have a hard backline under pirlo and an arc of cutters above Pirlo and let Pirlo create and voila.
There is not massive experience in the pack, the half-backs are young and the backline is in a state of flux.
Indeed, United appeared content to play a high game, with their backline pushing up towards the halfway line at every opportunity.
And Villa secured their 100th Premier League win away from home in style by blending pace and power, and a resolute backline.
Meanwhile, fly-half Jonny Wilkinson said England were acutely aware of what France's talented backline could do if they gave them any opportunities to exploit.
Zane Kirchner will make his debut at full-back, while Odwa Ndungane, Jaque Fourie, Wynand Olivier and Jongi Nokwe also come in to the backline.
But Samoa still field a backline that has Seilala Mapusua, another Exile, David Lemi of Wasps, Anitelea Tuilagi of Sale and Clermont's Gavin Williams.
His bustling style caused problems for the City backline, and Croatian right-back Vedran Corluka had to make an athletic block from a Scharner effort.
Paul, who played for Wakefield, Wigan and Bradford Bulls before crossing codes to join Gloucester, has been brought in to try to spark England's backline.
Carter grubber-kicked in behind the England backline and Smith sliced between three defenders before picking up and diving over for the All Blacks' opening try.
And in Sol Campbell and Sylvan Distin, they were coming up against a resolute backline which was amply protected Diop, Sean Davis and Sulley Muntari.
Wales' backline failed to fire in their opening Six Nations defeat to England in Cardiff as Warren Gatland's men extended their winless run to eight.
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