Following a major highside during Sunday’s Warm Up session at the Pertamina Grand Prix of Indonesia, Marc Marquez looks set for a spell on the sidelines after being once again diagnosed with an episode of diplopia. When there is an off weekend between Grands Prix, then a replacement rider must be named by the time the next race rolls around. MotoGP™ Race Director Mike Webb explains the reasons and protocols behind using replacement riders on race weekends. If a rider was unable to compete and teams wanted to waste no time in replacing them, then there is also a time limit. The eight-time World Champion experiences another episode of diplopia upon his arrival back in Spain. The eight-time World Champion is thankfully OK after the Warm Up crash that saw him miss the Indonesian GP race. The eight-time World Champion is ruled out of Sunday’s race due to a concussion suffered after his huge Warm Up crash.

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