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Akron (United States) (AFP) - Jordan Spieth's bid to dethrone Rory McIlroy as world number one got off to a slow start Thursday at the WGC-Bridgestone Invitational after a lackluster opening round left him five shots off the pace.
The reigning Masters and US Open champion will supplant injured Northern Irishman McIlroy at the top of the rankings this weekend if he wins the $9.