In Qatar, Marc Marquez he had all eyes on him. There was a lot of curiosity to see what his first race as a driver would be like Ducati after 11 years spent in Honda. Other 500 and MotoGP champions also experienced the same sensation experienced by the Spaniard from the Gresini team. From Giacomo Agostini to Valentino Rossifrom Eddie Lawson to Casey Stoner: all of them have changed bikes at least once in the top class. Marquez debuted with a fifth place in the Sprint and a fourth in the long race. How did the predecessors fare? Here are the most illustrious cases.