Tiger Woods tees off with Rafael Nadal watching on at Hero World Challenge.Woods posted back-to-back sub-70 rounds on Thursday and Friday to find himself in contention near the top of the leaderboard.However, a nightmarestart to his third round saw him only able to card a 75 on Saturday, leaving him 10 shots off the leader Charley Hoffman.But Woods will just have beenglad to make it through the tournament pain-free and had the added encouragement of Rafael Nadal cheering him on at the first tee.“Rafa Nadal