The biggest change is for the Tour Championship to crown the FedEx champion from a field of the top 30 players.
The schedule adjustments include the playoffs being reduced to three events - the Northern Trust, BMW Championship and The Tour Championship.
Under the current system, any player within the top five entering this week who wins the Tour Championship will also win the FedEx Cup.
The bonus pool for the PGA Tour postseason doubles next year to $70 million in a revamped system that gives a head start to top players at the Tour Championship and pays $15 million to the FedEx Cup champion.
But PGA Tour executive Andy Pazder said Tuesday that the tour and Spieth have "come to a resolution" over how the three-time major victor would atone for having violated a tour policy by failing to play in 25 events this season.
"Compared to the current system, the beauty here is in the simplicity", PGA Tour commissioner Jay Monahan said. "Fans are very familiar with golf leaderboards in relation to par, so they will have a clear understanding of the impact every shot makes during the final run for the FedEx Cup-ultimately leading to a singular champion without conflicting storylines".
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The 19-year-old made a good impression in his long-awaited debut for the club in the 3-0 win over Young Boys on Wednesday. Bad results and bad performances make you look more exhausted , more upset, more ugly, more everything.
Almost three months after the PGA Tour ended another run outside golf-rich Washington, the PGA of America announced an agreement for the club to host the Women's PGA Championship twice, the Senior PGA Championship twice, the PGA Championship (2031) and the Ryder Cup (2036). He won the Tour Championship before in 2016 and finished tied for second in 2014.
Bryson DeChambeau hits his tee shot on the 6th hole during the final round of the Dell Technologies Championship golf tournament at TPC of Boston in Boston, Massachusetts, U.S., September 3, 2018.
The top 10 players throughout the regular season will divvy up the $10 million pot with the No. 1 player taking home a $2 million check down to the No. 10 receiving $500,000. The top 10 are expected to average just over $12 million, and the top 50 players will earn more than $5 million in earnings and bonuses. He also said making up a 10-shot deficit at the start of the Tour Championship would be easier than winning the tournament while a host of other long-shot scenarios all fall into place.
The FedEx Cup champion will now bank $US15 million, versus the $US10 million prize from previous years. "We are able to grow and diversify our fan base because we have the best athletes on the planet competing on the PGA TOUR".
With next week's Ryder Cup, Spieth will have played in just 24 events this season after competing in 24 a year ago.
Big changes are coming to the Wyndham Championship in 2019. "They shared our vision for how we can challenge ourselves to raise level of excitement and fan engagement throughout the season up until the moment our FedExCup Champion is determined".