Rory McIlroy is out of contention to retain the Open Championship, due to the ligament injury which has confined him to watching from the sofa, rather than teeing up in person, next Thursday.
However the geniuses at the PGA Tour have calculated that McIlroy could also lose out on his place at the pinnacle of the Official World Golf Rankings, to the young American Jordan Spieth.
The reason why I say the guys at the PGA Tour are geniuses, is because the World Golf Rankings are notoriously difficult to understand, let alone predict the future outcomes.
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It has been made easier by the current world number one being omitted from the field, but still, you need more than a GCSE in Maths to work it out.
The World Golf Rankings are based on average points, rather than total points, to take into account form, rather than a seasons successes.
This will allow for the player who competes in fewer events to eclipse those who play every week.
As of today, Spieth is 1.8481 average points behind the Northern Irishman, but the PGA Tour believe that should the American finish "roughly seventh place or higher at this weeks John Deere Classic and win at St Andrews next week...Spieth would move to number one in the World"
Spieth's Stumbling Start
However since the PGA Tour made these calculations, the young texan hasn't had the best of starts at the John Deere Classic.
He currently finds himself at even par after the first round, tied for 101st place, eight shots off of the leaders.
A man of Jordan's talent and patience, you wouldn't rule him out just yet, especially at a tournament that he won two years ago after a five way play off.
However from reading all the tweets, it seems like his putter was a little cold for round one.
Putting is usually his biggest asset when he dives into those low numbers, so expect to see a vast improvement for Friday's round.
The Difference A Year Makes
McIlroy had won last years Claret Jug at Royal Liverpool, Hoylake with such strong hold on the field, taking the title by two clear shots over Sergio Garcia and fellow young hot shot, Rickie Fowler.
This was achieved through three fantastic rounds followed by a steady 71, one-under-par, which was the highest final round score from the top ten finishers.
The victory was accomplished and showed a completely different side to a man, who is finding it difficult to shake off the infamous 2011 Masters meltdown, where he failed to win the Green Jacket.
His conservative final round meant that the field had to try and catch him. This showed the maturity of a young man playing to win, rather than playing for a good score.
Even though his number one spot is looking safer than it did on Wednesday, thanks to Spieth's rusty start at the John Deere, one thing is for sure...
McIlroy will not be Open Champion a week on Sunday.