Just as there will have been hundreds, probably of thousands of young Americans wanting to go out and emulate what they saw at their local rugby club, mightn't there also be a few NFL clubs wondering if Williams could play at Soldier Field again - in a different code?
This is not as fanciful as it sounds and neither will it just be Williams that ends up on the NFL radar. Julian Savea could probably go pretty well as a running back.
Ben Smith as a punt returner? Daniel Carter as a punter or field goal kicker? Charlie Faumuina as a tight end?
Cory Jane, with his incredible aerial skills, pace and fend, could be a cracking wide receiver. Jane actually talked during the week about his love of the NFL and how playing in it often comes up in conversation with his teammates.
"I love the football, it is one of my favourite games," he said. "I think everyone would kind of love to [play in the NFL]. It's a quick little ... 'Oh I would love a go at that'. Put some pads on and have a run ... but everyone is too scared to make a run at it except for Jarryd Hayne."
And the fact that Hayne has quit the NRL to try to crack American Football is potentially significant.
The Americans are smart, and if he can make it they may reckon there is a pipeline of talent in Australia and, by extension, New Zealand, and they will look to use it.
The links between the two codes certainly got stronger in the last week. Some of the All Blacks spent a day with the Chicago Bears and then reciprocated at training. The American media asked plenty of All Blacks about the NFL and all of them seemed to have a good knowledge. Kieran Read has a fantasy team, as do plenty of others.
So who knows, the All Blacks may have made an impression somewhere they least expected it. The opportunity down the track might not just be to pick up a contract in a fledgling professional competition in the US - it might be to pick up an NFL contract in the most highly developed, richest football code in the world.
