Scott Pruett and Memo Rojas extended their points lead in the Grand-Am Rolex Sports Car Series on Saturday, winning their second straight race by taking the Grand Prix of Miami. The duo combined to lead 51 laps at Homestead-Miami Speedway in the No. 01 Lexus Riley Daytona Prototype, including 41 for Pruett, to win the 99-lap race by 1.645 seconds for the Chip Ganassi with Felix Sabates team. Defending Grand Prix of Miami co-winner Bill Auberlen finished second in the No. 23 Porsche Crawford with teammate Joey Hand. Hand led 14 laps before losing the lead to Pruett on lap 78. The No. 99 Gainsco Auto Insurance Pontiac Riley fielded by Dallas business man/racer Bob Stallings and piloted by Alex Gurney and Jon Fogarty finished sixth. Get your full results here.