Pramac Ducati rider Johann Zarco has expressed his unhappiness at the ‘stressful’ demands of MotoGP’s revised schedule, believing them to be a contributing factor in a slew of injuries for multiple riders so far this season. His comments ahead of this weekend’s Grand Prix of The Americas at COTA relate to MotoGP’s move to double the number of races in a season with the addition of a shorter Sprint Race to take place on Saturday afternoon’s. Prompting the first major overhaul of the weekend programme since the current ‘elimination’ qualifying format was introduced in 2013, it has led to a knock-on effect for the schedule, with riders now completing Practice…