Brad Keselowski
, driving for Dale Earnhardt Jr.'s JR Motorsports, injured a leg in this four-car crash midway through Saturday night's NASCAR Busch Series race at California speedway.
The accident was ignited when A.J. Allmendinger, J.J. Yeley and Eric McClure bounced off each other while jockeying for position heading into turn one. The collision sent Allmendinger down the banking, where he clipped Keselowski and sent him hard into the wall.
Source: Canadianpress & Youtube