Kansas City Chiefs linebackers coach Britt Reid — son of head coach Andy Reid — was involved in a three-vehicle crash Thursday night that left a 5-year-old child with life-threatening injuries, per multiple reports. Britt Reid, 35, is under investigation for driving impaired. He has been with the team since 2013. The crash reportedly happened one exit away from the Chiefs’ practice facility on southbound Interstate 435 near Eastwood Trafficway.