They were seeking shelter underneath a tree during a weather delay Saturday when lightning struck the tree.
Xander Schauffele, Brooks Koepka and Justin Thomas enter the second round of the Tour Championship as joint leaders.
The season finale of the PGA Tour gets underway on Thursday at East Lake Golf Club in Atlanta, Georgia.
FedEx Cup leader Justin Thomas is the bookmakers' favorite to win the season finale at East Lake in Atlanta, Georgia.
The new format will see Justin Thomas begin The Tour Championship at 10-under par, followed by Patrick Cantlay at 8-under.
The final tournament of the PGA Tour season gets underway on Thursday at East Lake Golf Club in Atlanta, Georgia.
Justin Thomas and Jason Kokrak lead the BMW Championship by one shot after the first round at Medinah, Illinois.
Woods has slipped to 38th in the FedEx Cup standings and needs a top-11 finish at the BMW Championship to qualify for the Tour Championship.
Rory McIlroy, Brooks Koepka and Patrick Reed will play alongside each other for the first two rounds in Medinah, Illinois.
World number one Brooks Koepka and Rory McIlroy are the joint-favorites ahead of the second event of the FedEx Cup playoffs.
The second FedEx Cup Playoffs event gets underway on Thursday as the BMW Championship begins in Medinah, Illinois.
Troy Merritt leads the field at the Liberty National Golf Club in Jersey City after carding a 9-under-par 62.
World number one Brooks Koepka is the bookmakers' favorite to win at Liberty National Golf Course, followed by Rory McIlroy and Jon Rahm.
Rory McIlroy and Brooks Koepka are again paired alongside each other, while Tiger Woods tees off alongside Scott Piercy and J.T. Poston .
Tiger Woods, Rory McIlroy and Brooks Koepka are all in contention at The Northern Trust Open, which marks the start of the PGA Tour playoffs
Jon Rahm leads the field by three shots after carding an 8-under-par 62 in the first round on Thursday.
Patrick Cantlay, Xander Schauffele and Patrick Reed are all legitimate contenders in a very competitive field.
Brooks Koepka, Dustin Johnson and Rory McIlroy are the joint-favorites heading into the WGC Invitational in Memphis, Tennessee.
Brooks Koepka and Rory McIlroy will play alongside each other in the first two rounds at TPC Southwind in Memphis.
Woods finished tied fifth at the Arnold Palmer Invitational in Orlando.
The 14-time major champion has not played competitively in 10 months.
Spieth's heroics beat out Daniel Berger of the United States.
The Briton has endured "the toughest stretch of my career."
The South Korean golfer may have to take a break from professional golf to do military service.
The social network lost its rights to Thursday night NFL games this year.