Shelby Blackstock led the way for Andretti Autosport, finished third after polesitter Garett Grist was penalized following an incident on the opening lap.

Shelby Blackstock finishes fifth and teammate Garett Grist sixcth - after starting from the pole - in the first leg of this weekend's Allied Building Products Grand Prix of Houston Presented by Marlin CNG Services in Houston.

Throughout this year’s season of the Pro Mazda Championship Presented by Cooper Tires, JDC MotorSports has been focused on driver development with three very talented rookie competitors running their trademark black and blue race cars. Michael Johnson, Ryan Booth and Kyle Connery have carried the JDC banner proudly in the hard-fought championship and they have enjoyed significant development in both pace and competitiveness.

After a quick break between race weekends, all three Rising Star Racing drivers are looking forward to returning to action this weekend for the Shell and Pennzoil Grand Prix of Houston. The 1.7-mile temporary street circuit, set in the shadows of the NRG Arena facility, will play host to a double-header Verizon IndyCar Series race weekend.

Continuing to lead the 2014 Pro Mazda Championship Presented by Cooper Tires, Juncos Racing is ready to take on the second half of the season starting with Rounds 8 and 9 at the Shell and Pennzoil Grand Prix of Houston this weekend. All Juncos Racing drivers sit inside the top 10 in the championship standings with Spencer Pigot leading the Pro Mazda Championship.