Stefan Wilson suffered an injured vertebrae in a crash on Monday, and the team has tabbed Graham Rahal as their replacement driver for the race on Sunday.
Dreyer & Reinbold Racing returning to Indianapolis with Don Cusick and driver Stefan Wilson for the 107th running of the Greatest Spectacle in Racing.
Justin Wilson has spent the night in hospital after being involved in a heavy crash just before the mid-way point of the MAVTV 500 season finale at Auto Club Speedway at Fontana.