Tour Championship – Wikipedia

The Tour Championship is a golf tournament that is part of the PGA Tour. It has historically been one of the final events of the PGA Tour season; prior to 2007, its field consisted exclusively of the top 30 money leaders of the past PGA Tour season. Starting in 2007, it was the final event of the four-tournament FedEx Cup Playoffs, with eligibility determined by FedEx Cup points accumulated throughout the season. From 2019 onward, the FedEx Cup was reduced to three events, and the Tour Champions

https://en.m.wikipedia.org/wiki/Tour_Championship