Earned his 80th PGA TOUR victory and first since 2013, winning the TOUR Championship for the third time in his career to move within two of Sam Snead's TOUR-best 82 victories. Finished the season No. 2 in the FedExCup, with runner-up finishes at the Valspar Championship and PGA Championship among his seven top-10s. Led the TOUR in Strokes Gained: Approach the Green (0.938) for the sixth consecutive season in which he played the minimum number of rounds. After originally being selected as a Captain's Assistant for the United States Ryder Cup team, was later selected as a captain's pick and played in the event for the eighth time.
Woods' back problems continued to hinder him in 2017. He missed the cut at the Farmers Insurance Open in January and pulled out of a European Tour event in Dubai on February 3. On March 31, Woods announced on his website that he would not be playing in the 2017 Masters Tournament despite being cleared to play by his doctors. Woods said that although he was happy with his rehabilitation, he did not feel "tournament ready."[115][116] Woods subsequently told friends, “I’m done”.[117] On April 20, Woods announced that he had undergone his fourth back surgery since 2014 to alleviate back and leg pain. Recovery time required up to six months, meaning that Woods would spend the rest of the year without playing any professional golf.[118] Woods returned to competitive golf at the Hero World Challenge in the Bahamas. He shot rounds of 69-68-75-68 and finished tied for 9th place. His world ranking went from 1,199th to 668th, which was the biggest jump in the world rankings in his career.
Woods had back surgery on September 16, 2015. In late March 2016, he announced that he would miss the Masters while he recovered from the surgery;[109] he had also missed the 2014 Masters due to a back problem.[110] "I'm absolutely making progress, and I'm really happy with how far I've come," he explained in a statement. "But I still have no timetable to return to competitive golf."[111] However, he did attend the Masters Champions Dinner on April 5, 2016.[112] For the first time in his career, he missed all four majors in one year due to problems with his back. In October 2016, he told Charlie Rose on PBS that he still wanted to break Jack Nicklaus's record of 18 major titles.[113] Woods underwent back surgery in December 2016 and spent the next 15 months off the Tour. He made his return to competitive golf in the Hero World Challenge.[114]
On May 29, 2017, Woods was arrested near his Jupiter Island, Florida, home by the Jupiter Police Department at about 3:00 am. EDT for driving under the influence of alcohol or drugs. He was asleep in his car, which was stationary in a traffic lane with its engine running. He later stated that he had taken prescription drugs and did not realize how they might interact together.[225] On July 3, 2017, Woods tweeted that he had completed an out-of-state intensive program to tackle an unspecified issue.[226] At his August 9, 2017 arraignment, Woods had his attorney Douglas Duncan submit a not guilty plea for him and agreed to take part in a first-time DUI offender program and attend another arraignment on October 25.[227][228]

Woods played in his first 2020 PGA Tour event at the Zozo Championship in October 2019, which was the first-ever PGA Tour event played in Japan. Woods, who played a highly publicized skins game earlier in the week at the same course as the Championship, held at least a share of the lead after every round of the rain-delayed tournament, giving him a three stroke victory over Hideki Matsuyama.[126] The win was Woods's 82nd on Tour, tying him with Sam Snead for the most victories all time on the PGA Tour.[127][128] 
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