I fear the worst, it takes them two hours to play on average 12 minutes of American football because of all the analysing. It would get very repetitive as well for people who watch more than a couple of games a year.
Our commentators do a little bit, we even have replays of the better bits, but the American guy wants a full analysis with arrows, degrees, power velocity ect. rather than a sound bite which is more than enough. The vid you just put up is a perfect example even though its foreign commentary you could see that was special, and then a slow mo replay and thats enough. Americanising it would have a massive Boo-yeah! followed by 5 replays from different angles then a guide how to emulate it yerself, meanwhile we miss the football match in the back ground to the flashing lights.
The American dream is they can do anything if they try hard enough and it shows in their sport preference, they go for stuff anyone can do BaseBall, Basket Ball, and Nascar. They don't like sports where natural ability plays a bigger factor like Football* and F1, as it challenges there ideals.
*Phil Neville is an anomaly