According to team officials Carwell suffered a contusion of his entire left internal cavity, multiple rib fractures, a ruptured diaphragm and a ruptured spleen.
Doctors at Aurora South Medical Center performed surgery, removing his spleen and repairing the internal organ damage. His current condition is listed as critical but stable.
Denver Police said Carswell was one of three vehicles traveling southbound on Parker Road when two vehicles going northbound collided and veered into southbound traffic.
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