According to a report on the website of British magazine Dirt Bike Rider, American GP hopeful Zach Osborne was injured while practicing this morning. The report says that the Yamaha rider may have injured his shoulder, wrist and ribs, and may have to miss the start of the GP season.
The link to the story is below and we'll have more information as it develops.
http://www.dirtbikerider.com/news/latest-news-s1/Osborne-out-i5613
