sentences:  James Toseland returned to the championship after 2 seasons in MotoGP and took Spies place at the Sterilgarda Yamaha World Superbike team, partnered by fellow Brit Cal Crutchlow.The factory Ducati team retained their two riders.The 2010 season started on February 28 at Phillip Island and ended on October 3 at Magny-Cours.