Marc Marquez walked away from a high-speed 190km/h crash during the opening practice for MotoGP’s United States Grand Prix on Friday.<br>The Spaniard was running in 13th place in the early stages of the 45-minute session when he lost the rear end of his factory Ducati over the crest at Turn 10.<br>Marquez fell off the bike and slid through the gravel before coming to a stop near the air ...<a class='more' href='https://www.motorsport.com/motogp/news/marc-marquez-escapes-injury-after-nasty-190km-h-crash-in-us-gp-practice/10808661/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>