Wendy Lawrence and Andy Thomas were absent, said to be undergoing medical tests.
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But the Dragons rallied and got themselves back into the game through Martyn Thomas and Andy Williams, only to be let down by Aled Thomas' kicking.
Kevin Nugent and James Thomas had made little impact up front for the Swans in the first period, so it was no surprise when manager Brian Flynn sent on Andy Robinson in Thomas' place.
The Ospreys star, 27, and Andy Powell, Rhys Thomas and Jonathan Thomas had already apologised to the Welsh Rugby Union over their behaviour.
Add Martyn Williams, Jonathan Thomas and Andy Powell - who all finished the match against the All Blacks - and the starting number eight on Saturday, Ryan Jones, and Wales coach Warren Gatland has that magic thing: options and strength in depth.
There was British success in the LMP2 category as well, with Mike Newton and Andy Wallace teaming up with Brazilian Thomas Erdos to take the honours in their Lola.
"I've spoken to people at Sarries and they say Andy is a remarkable bloke, " Thomas told BBC Sport.
Associated Press writers Connie Cass, David Espo, Donna Cassata, Henry Jackson, Pauline Jelinek, Richard Lardner, Alan Fram, Ken Thomas, Jim Abrams, Andy Taylor, Seth Borenstein and Eric Tucker contributed to this report.
Ramsey is Jones' seventh loan signing this season - joining Bellamy, Koumas, Emmanuel-Thomas, Olofinjana, Danny Drinkwater and Andy Keogh - although the club can only include five loan players in a matchday squad.
Wiggins, who won individual pursuit gold at the 2004 Athens Olympics then added gold in individual and team pursuits in Beijing four years later, joins Geraint Thomas, Ed Clancy, Steven Burke and Andy Tennant for the five-man, four kilometre team pursuit.
New contracts will be offered to Paul Barrett, Dan Bennett, Lee Jones, Andy Morrell, Wayne Phillips, Steve Roberts, Kristian Rogers, Steve Thomas and Jim Whitley.
Sixth seed Andy Roddick then completed a good night for the Americans by beating Sweden's Thomas Enqvist 6-4 6-4.
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