Safety workers come to the aid of Sam Hornish Jr. in the No. 77 Dodge and Casey Mears in the No. 5 Chevrolet early in Sunday's Auto Club 500 race. Mears apparently slid through water on lap 21 and clipped new Hendrick Motorsports teammate Dale Earnhardt Jr. Behind them, former open-wheel star and Cup rookie Hornish slammed into the rear of Reed Sorenson and then, with his hood blocking his vision, plowed into Mears, turning his car over.
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