The 19-year-old snatched the ball from the grasp of Scott Donald and ran unopposed to the line before cutting inside and crossing under the sticks.
Jon Davies got the Llanelli-based region moving, though, freeing Andy Fenby who crossed the line but was denied a try when a superb Matthew Watkins tackle knocked the ball from his grasp.
Greece conceded again three minutes later when lively full-back Gebre Selassie cut in from the right and pulled the ball back beyond the grasp of Chalkias for Vaclav Pilar to bundle in.
The Wolves could do little right and, even when Hicks jinked his way through the home defence, he had the ball knocked from his grasp by Bosc as he was about to touch down.
His effort should have been gathered easily by Keller, but somehow he let the ball slip from his grasp and could only look on in despair as it trickled into the back of the net.
The coltish Croft had the ball knocked from his grasp as he tried to dive over in the corner but the Tigers had scented Twickenham and they booked their passage to London with a third try.
It got worse for the Dons four minutes into the second half, when Langfield smothered McDonald's attempt at a cross but let the ball slip from his grasp for the Australian striker to fire into the empty net.
Bath flanker Jonny Faamatuainu could have added a second try but paid the price for a slapdash one-handed carry as he went over the line as an outstanding Matt Cornwell tackle knocked the ball out of his grasp.
Tremlett snared his third victim in the second over after lunch as Smith prodded hard at a routine delivery outside off stump and fed a gentle catch to Strauss - the England captain seeming to break into a grin even before he had the ball safely in his grasp.
The Welsh side were ultimately thwarted by Ulster bravery and no little cunning - with the ball often ripped from the attacker's grasp - and a swarm of tacklers when the ball did reach the backs.
It could have been worse for Leeds but Sinfield saved a certain try for ripping the ball from Long's grasp as he went over the line.
And the Portuguese winger duly stepped up and struck a blistering free-kick that dipped and swerved in front of Thomas Sorensen, who allowed the ball to slip through his grasp.
Dempsey's left-foot shot from 25 yards barely merited the label of speculative, but every aspect of Green's technique collapsed as he allowed the ball to squirm through his grasp and over the line.
But an almighty hit by Muliaina on Bradley Davies knocked the ball out of the lock's grasp and set New Zealand away on another dangerous counter-attack.
Glasgow were proving particularly tenacious at the tackle area, often ripping the ball out of a Warrior's grasp or stealing possession in other ways to thwart the home side.
However, captain Victor Matfield spurned a glorious opportunity to put the tourists in front, ignoring an overlap in favour of glory as a fine challenge by Courtney Lawes, abetted by a last-ditch sweep from scrum-half Ben Youngs, pushed the ball from the second-row's grasp as he was about to apply downward pressure.
Lowes almost decapitated Brian Carney with another high shot midway through the half, but a Paul Deacon penalty reduced the gap to four points after referee Karl Kirkpatrick ruled that the ball had been illegally ripped from Robbie Paul's grasp.
BBC: SPORT | Rugby League | Super League | Bulls earn Grand Final triumph
Macedonia goalkeeper Jane Nikolovski then let a tame Kenny Miller shot squirm from his grasp but a defender managed to get a toe to the ball ahead of the sliding Darren Fletcher.
应用推荐