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Forensics experts suggest golf legend Tiger Woods may have fallen asleep at the wheel prior to his rollover car crash.

Woods, who was in town to host the Genesis Invitational golf, had just left his hotel after 7 a.m. local time, and was speeding in his Genesis 80 sports utility vehicle when he lost control of the SUV on Hawthorne Boulevard in Rancho Palos Verdes.

The vehicle crossed a median and smashed into a tree before flipping multiple times and coming to rest on its side in a ditch.

The 45-year-old golfer fractured several bones in his lower right leg and ankle, which suggests he slammed on the brake at the time of impact, experts told USA Today.

Forensic analysis indicates Woods hit the brake late into the collision sequence.

One expert told USA Today that the SUV did not change direction when entering the curve -- an indication that the car went straight rather than follow the curve in the road.

Woods is recovering from a second surgery at Cedars-Sinai Medical Center, where he was transferred on Friday. He was not charged in the accident.