MotoGP - Luca Marini and his brother Valentino Rossi were both happy after Luca's first day of Grand Prix riding at Misano: http://www.motogp.com/en/news/Moto3 | Facebook
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Valentino Rossi's half-brother Luca Marini ready to fill the void left by MotoGP legend ahead of new season | The US Sun
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