Just four rounds into the 18-race 2013 MotoGP World Championship, Ducati factory rider Nicky Hayden is already talking about having surgery at the end of the season to remove a screw from his right wrist.
Hayden has complained about pain in that joint for some time. After the Spanish GP in Jerez, the 31-year-old Kentuckian posted a photo on his Twitter feed showing both arms side-by-side. The right arm was visibly misshapen....
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