The coronavirus pandemic postponed the US Open from June and led to a spectator ban.
He picked up his third win on the PGA Tour, giving him more victories than missed cuts since he turned pro just 14 months ago.
Rahm fired a three-over par 75 in the final round to finish on nine-under 279.
Ongoing coronavirus restrictions in the state of Illinois ban gatherings of more than 50 people.
Regular COVID-19 tests for players would be carried out throughout the tournament weeks
Spieth was denied a hole-in-one on the par-three 110-yard 17th.
The next edition of the tournament be played at the Royal St. George's in July 2021.
There are precautions to allow for safety and cut the chances of spreading or contracting the deadly virus.
Different equipment standards could make transitioning from the amateur to professional ranks more difficult.
Steve Stricker will again assume the captaincy duties while Woods is swinging his clubs.
With his latest victory, Woods equalled Sam Snead's PGA title tally
Kim showed his middle finger towards the crowd after he was distracted because of a ringing mobile phone
The deal is designed to allow Discovery to deliver golf around the world on every screen and device
Tiger Woods has been paired with Rory McIlroy and Justin Thomas for his first two rounds at the Genesis Open starting on Thursday (15 February).
The losses come amid signs of trouble at some of his other golf resorts.
Rafael Nadal has backed Tiger Woods to return to winning ways when the American makes his return at the Hero World Challenge starting on Thursday (30 November).
Roger Federer has continued what has been a remarkable year after becoming the top prize money in all of individual sports.
The former Pornhub star made the comments after the former world number 1 golfer announced his intention to play at the 2017 Hero World Challenge.
Tiger Woods is set to return to competitive action for the first time in nine months after recovering from his fourth back surgery in three years.
Tiger Woods, 41, will be required to do 20 hours of community service, pay a $250 fine and undergoing mandatory drug testing. The golf pro was arrested in August after being found slumped at the wheel of his Mercedes.