Marquez MotoGP recovery on track amid treatment for double vision

Six-time MotoGP world champion Marquez has been out of action since suffering vision problems following a concussion suffered in a training crash ahead of the Portuguese Grand Prix in November.
The 28-year-old missed the final two races and post-season test after he was diagnosed suffering from double vision – diplopia – in one of his eyes. Marquez had damaged the same eye nerve in 2011 in …Keep reading