Runaway Moto2 championship leader Tito Rabat has committed to another season in the second-tier category in 2015 rather than a MotoGP move, even if he wins the title.The 25-year-old Spaniard, who has raced in Moto2 since 2011, currently holds a 19-point lead over Marc VDS team-mate Mika Kallio, having won...