Among the automatic qualifiers is Rory McIlroy who makes his fifth consecutive Team Europe appearance and whose participation this year will tie him with Darren Clarke for the most Team Europe appearances by a player from Northern Ireland.
On a day when the temperature reached 91 degrees at TPC Boston with a heat index of 100, DeChambeau proved to be the hottest golfer on the planet.
DeChambeau birdied the 16th and 17th holes then landed his 237-yard second shot at the par-five 18th just two feet from the cup for a tap-in eagle for the clubhouse lead at 12-under par. He also believes strongly in biomechanics.
"Consistency has been a big thing for me".
After a penalty drop, Smith couldn't recover to make par and fell one behind Rose into third and leaving the stage for a relatively stress-free walk up the last for DeChambeau.
How much better can he get?
"I don't know what the future has", he said, "but I can say that there is another level". I got the call from Jim and he asked if I would serve as a vice-captain and I said 'Absolutely'.
Even his friends who encouraged him still thought he was insane.
The bookmakers have had their work cut out in pricing up the odds for Thomas Bjorn's potential wildcard picks for the European Ryder Cup team to take on United States of America later this month.
By the way, for the past year and half his father has switched to same-length irons as well.
'I really wanted to play in it.
Vijay Singh won the opening two FedEx Cup events in 2008, when the points system was different and points were not reset before the final playoff event.
Late on Tuesday, USA captain Jim Furyk named Bryson DeChambeau, Phil Mickelson and Tiger Woods as his first three wild cards for the biennial contest, which takes place from 28-30 September at Le Golf National in the suburbs of the French capital.
DeChambeau, who rose to the top of the FedEx Cup standings with a win last week in New Jersey, further distanced himself from the pack with another success - his third of the year.
Dustin Johnson retained the No. 1 world ranking with his tie for seventh at TPC Boston, extending his margin over Brooks Koepka, who finished one spot back in a tie for eighth. A birdie on the final hole would have given the 27-year-old Mexican a tie for third and a reasonable chance at going to the Tour Championship. DeChambeau regained a two-shot lead by sinking an 8-footer for birdie on 15.
That seemed like a pipe dream, but as Woods played and quickly began contending in tournaments, it began to look like a reality and was cemented by his runner-up finish at the PGA in August.