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Tied for first place at five under (par) are Thomas Bjorn and Tom Lewis.
Tom Lewis is a 20-year-old amateur, who today broke Tiger Woods' record for the least amount of strokes by an amateur in a round of the Open Championships by one stroke.
Thinking Lewis will be a threat to others in this championship is certainly an understatement, but can a man who has never played this well at a stage this big retain the lead?
In an ESPN interview, Lewis said, "Shooting 65 is excellent, but to hold off the best players in the world will be even harder."
It seems unlikely that such a young and inexperienced person could keep up the same level of play for three more days.
Meanwhile, Thomas Bjorn has done fairly well at the Open Championships, coming in second place twice. But, that was back in 2000 and 2003.
Bjorn had a disappointing downfall and season, to say the least, but he is looking to regroup.
Having not played this event since 2007, the Dane is going through a strong resurgence. But, will that level hold up as well?
I think not, especially now that he is expected to keep shooting well, and since his father's recent death could play a larger role in his head than we thought. Or the passing of his father could refuel his spirits.
But, Jason Day should feel good about his chances, knowing that the two men tied for first place will most likely fall down the leaderboard soon enough.