Referee Nic Berry opted not to review the incident at the time and England went on to claim a second successive bonus-point triumph in Pool C.
"I guess we were fortunate enough to get one on the scoreboard and I'm proud of the effort", said U.S. captain Blaine Scully.
"He (Farrell) is missing part of his nose, which is unfortunate, but he is married with a child, so he is going to be OK".
England could incur the wrath of the disciplinary process themselves after Piers Francis was cited for clattering into Will Hooley in Thursday's 45-7 victory over the USA.
Jones seemed resigned to it coming under the scrutiny of the citing officer, saying: 'We'll take whatever is handed out'.
When asked what his side needed to improve on, U.S. coach Gary Gold didn't hold back. "You don't mean to hit people there if you do hit them there", Daly said.
"It is what it is".
Moody insisted that most players would be doing their utmost to avoid making contact with an opponents head regardless of the force of the impact.
Quill is the first American to be red carded at a Rugby World Cup and the 18th player in the tournament's history.
"We're pleased with where we are".
"We've had two fantastic experiences in Sapporo and Kobe". "We were very good in the first half but not good in the second". Can we play better?
"We have analyzed them through and through and not only are they physical, heavy and strong but they bring a lot of work to the pitch".
Jones has been critical of World Rugby during the summer, describing it as "Big Brother" on one occasion, but he has been impressed by the work put into closing the gap. "They're a quality Tier 1 nation with lots of experience in their team. We made some handling mistakes but we will improve".
"The conditions were hard".
England full-back Elliot Daly says that players need to trust their tackling technique and leave everything else to the officials. "You could feel it just by sitting in the grand stand, you had sweat dripping off you".
Santiago Carreras was also a new pick on the left wing, and the 21-year-old got his first worldwide try in a one-sided first half where Urdapilleta also slotted four conversions.
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