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American 500cc rider Kenny Roberts (R) and his Italian rival Valentino Rossi share a smile as they attend a press conference before the upcoming Pacific Grand Prix at the Twin Ring Motegi circuit, in Tochigi prefecture, 12 October 2000. The grand prix of Motegi will be held October 13-15. AFP PHOTO/Kazuhiro NOGI (Photo by Kazuhiro NOGI / AFP) (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)

American 500cc rider Kenny Roberts (R) and his Italian rival Valentino Rossi share a smile as they attend a press conference before the upcoming Pacific Grand Prix at the Twin Ring Motegi circuit, in Tochigi prefecture, 12 October 2000.  The grand prix of Motegi will be held October 13-15.  AFP PHOTO/Kazuhiro NOGI (Photo by Kazuhiro NOGI / AFP)        (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)

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US driver in the 500cc category Kenny Roberts Jr. takes a curve during practice for the Brazilian Grand Prix at the Nelson Piquet racetrack in Rio de Janeiro 06 October, 2000. Roberts will compete in the 07 October Grand Prix. AFP PHOTO/Marcos TRISTAO (Photo by MARCOS TRISTAO / AFP) (Photo credit should read MARCOS TRISTAO/AFP/Getty Images)

US driver in the 500cc category Kenny Roberts Jr. takes a curve during practice for the Brazilian Grand Prix at the Nelson Piquet racetrack in Rio de Janeiro 06 October, 2000. Roberts will compete in the 07 October Grand Prix.  AFP PHOTO/Marcos TRISTAO (Photo by MARCOS TRISTAO / AFP)        (Photo credit should read MARCOS TRISTAO/AFP/Getty Images)

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JEREZ, SPAIN: Spanish Dani Pedrosa celebrates on the podium after winning the motorcycle Grand Prix of Spain in Jerez in the 250cc category, 10 April 2005. AFP PHOTO/ JOSE LUIS ROCA. (Photo credit should read JOSE LUIS ROCA/AFP via Getty Images)

JEREZ, SPAIN:  Spanish Dani Pedrosa celebrates on the podium after winning the motorcycle Grand Prix of Spain  in Jerez in the 250cc category, 10 April 2005. AFP PHOTO/ JOSE LUIS ROCA.  (Photo credit should read JOSE LUIS ROCA/AFP via Getty Images)

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VALENCIA, SPAIN: 250cc Spanish World Champion Daniel Pedrosa powers his Honda during the 250cc race for Spanish Motorcycle Grand Prix at the Ricardo Tormo racetrack in Valencia 31 October 2004. AFP PHOTO/ Javier SORIANO (Photo credit should read JAVIER SORIANO/AFP via Getty Images)

VALENCIA, SPAIN:  250cc Spanish World Champion Daniel Pedrosa powers his Honda during the 250cc race for Spanish Motorcycle Grand Prix at the Ricardo Tormo racetrack in Valencia 31 October 2004.   AFP PHOTO/ Javier SORIANO  (Photo credit should read JAVIER SORIANO/AFP via Getty Images)