Cal Crutchlow was left baffled following a crash during final practice for the Red Bull U.S. Grand Prix. On his second bike, the Monster Yamaha Tech 3 rider went on to qualify fifth, which is his lowest qualifying result of the season so far.



Click here for full story... (http://www.motogp.com/en/news/2013/Crutchlow+believes+tyre+problem+caused+crash)