The 28-year-old has not won on the PGA Tour, but had top-10s at three majors this year, and has played well during the current FedExCup playoffs.
Finau's stand-out performances in high-pressure and high-profile tournaments will put him in great stead for the pressure pit that is the Ryder Cup. I'm pretty easy to play with. Monday's announcement then was pushed back several hours as Finau (who tied for eighth place) and the rest of the field completed the weather-delayed BMW Championship near Philadelphia.
The pick was set up to be made after the finish of the BMW Championship, but wet weather had caused the final round of the tournament to be pushed into Monday.
His appeal is that he makes a lot of birdies, which is critical in match play.
Eight automatic qualifiers were confirmed after the US PGA Championship, so the start of the FedEx Cup play-offs was effectively an audition.
The matches are September 28-30 outside Paris.
Eight other USA players made the roster after last month's PGA Championship after a two-year qualifying period - Dustin Johnson, Brooks Koepka, Patrick Reed, Justin Thomas, Jordan Spieth, Webb Simpson, Rickie Fowler and Bubba Watson.
That doesn't mean as much in foursomes and fourballs, on a European course before the singing and chanting of Europeans fans.
"Play has been suspended for the day", read an update from the PGA Tour.
But he has always been contenting, and we are sure he will win on tour before long.