Quade Cooper has made his long-awaited debut for Australia in sevens rugby, as the Thunderbolts demolished Scotland and Japan on day one of the Las Vegas Sevens on Friday.
Cooper, 27, came on as a substitute with just under five minutes left against the Scots, but his first few touches of the ball resulted in wayward passes as he initially struggled to adjust to the shortened format.
The Thunderbolts still scored a 26-0 win, but another "no look" pass from Cooper failed to go to hand in the later 33-5 victory over Japan.
It wasn't all bad news - Cooper did notch his first points against Japan with four conversions.
Cooper, who has represented the Wallabies 58 times in the 58-man version of the game, is expected to be a key component of Australia's bid for a sevens medal at the Rio Olympics.
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"It was so pleasing that Pat (McCutcheon) could get 14 minutes under his belt against Japan while Quade felt a lot better in that second game too," Australian coach Andy Friend said.
"However, we need to keep this momentum going. First up (tomorrow) we have an England team that will no doubt come out firing after what was a tough day for them.
"We'll then have a quarter-final against either Fiji, Argentina or Samoa. Anything can happen."
Meanwhile, reigning World Series champions Fiji suffered a shock defeat by Samoa in their opening game.
A last-gasp try by Savelio Ropati earned Samoa a thrilling 28-24 victory over their Pacific rivals in the most entertaining encounter at Sam Boyd Stadium, just off the Las Vegas Strip.
England had a poor day and came perilously close to being on the receiving end of an upset when they trailed Japan 19-5 with less than two minutes left in their Pool B opener.
They battled back with two tries, however, the second converted after the buzzer by Tom Mitchell to secure a dramatic 19-19 draw.
There was to be no comeback in their second match against Scotland and Joe Nayacavou scored a late try to seal a 24-14 win in the final action of the day to put the English out of contention for the Cup.
New Zealand were in cruise control as they powered past Portugal 42-7 and Russia 38-0 to take a stranglehold on Pool A.
Prolific winger Bryan Habana, South Africa's leading try-scorer in Tests with 64, made a successful return to sevens after a 12-year absence as the Springboks recorded lop-sided wins against Canada and Wales in pool D.
Carlin Isles, the "fastest man in rugby", and fellow speedster Perry Baker both showed off their raw pace as the United States notched a 19-12 win against Wales followed by an error-prone 26-26 draw with Canada in pool D.
