IndyCar driver Robert Wickens has surgery; spinal cord injury still unknown

ALLENTOWN, Pa. -- IndyCar said Friday that Canadian driver Robert Wickens underwent surgery this week on his right arm and lower extremities and tests found no additional injuries from his crash at Pocono last weekend.

Wickens has had titanium rods and screws placed in his spine to stabilize a fracture associated with a spinal cord injury. IndyCar said the severity of the spinal cord injury is still unknown and Wickens will require additional corrective surgery and rehabilitation. He remains hospitalized in Pennsylvania.

Schmidt Peterson Motorsports will not field his car in Saturday night's race at Gateway Motorsports Park near St. Louis.

Wickens' car sailed into the fence at Pocono when he…