Why it's time for MotoGP to move on from Valentino Rossi

Valentino Rossi is enduring one of the worst seasons of his illustrious MotoGP career in 2019, prompting speculation about his future with Yamaha and in the championship itself. Lewis Duncan joins Jack Benyon to look into what's going wrong for the 40-year-old, why he can't blame his equipment, and why Yamaha is under pressure to act fast to secure MotoGP's next big thing as Rossi's replacement - but only once his contract is up at the end of 2020