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Monster Energy Yamaha MotoGP's Italian rider Valentino Rossi plugs his ear during the fourth MotoGP free practice session of the Spanish Grand Prix at the Jerez - Angel Nieto circuit in Jerez de la Frontera on May 4, 2019. (Photo by JORGE GUERRERO / AFP) (Photo credit should read JORGE GUERRERO/AFP/Getty Images)

Monster Energy Yamaha MotoGP's Italian rider Valentino Rossi plugs his ear during the fourth MotoGP free practice session of the Spanish Grand Prix at the Jerez - Angel Nieto circuit in Jerez de la Frontera on May 4, 2019. (Photo by JORGE GUERRERO / AFP)        (Photo credit should read JORGE GUERRERO/AFP/Getty Images)

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VALENCIA, SPAIN - NOVEMBER 20: Valentino Rossi of Italy and Yamaha Factory Racing rounds the bend during the MotoGP Tests In Valencia at Ricardo Tormo Circuit on November 20, 2018 in Valencia, Spain. (Photo by Mirco Lazzari gp/Getty Images)

VALENCIA, SPAIN - NOVEMBER 20:  Valentino Rossi of Italy and Yamaha Factory Racing  rounds the bend during the MotoGP Tests In Valencia at Ricardo Tormo Circuit on November 20, 2018 in Valencia, Spain.  (Photo by Mirco Lazzari gp/Getty Images)

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MADRID, SPAIN - JANUARY 24: Rider Valentino Rossi attends the Movistar Yamaha Team Presentation 2018 on January 24, 2018 in Madrid, Spain. (Photo by Samuel de Roman/Getty Images)

MADRID, SPAIN - JANUARY 24: Rider Valentino Rossi attends the Movistar Yamaha Team Presentation 2018 on January 24, 2018 in Madrid, Spain. (Photo by Samuel de Roman/Getty Images)