Marc Marquez defends his MotoGP crown with second place in Motegi . The 21-year-old Italian is the youngest rider to win back-to-back world titles . Marquez is the second Marquez driver to win title at home circuit of Japan . `` I am always smiling and always happy , but also I feel pressure , '' says the Spaniard .
Marc Marquez defends his MotoGP crown with second place in Japan . The 21-year-old Spaniard is the youngest rider to win back-to-back world titles . Marquez is the first Honda driver to win title at home circuit of Motegi . `` I am always smiling and always happy , but also I feel pressure , '' says the Spaniard .