New engine, no problem for Matthew Brabham. The runaway leader in this year's Pro Mazda Championship Presented by Cooper Tires was forced to run a fresh SpeedSource Mazda rotary engine in his No. 83 MAZDASPEED/Team Andretti Autosport entry after his engine was collected for a routine verification yesterday evening. It...

New engine, no problem for Matthew Brabham. The runaway leader in this year's Pro Mazda Championship Presented by Cooper Tires was forced to run a fresh SpeedSource Mazda rotary engine in his No. 83 MAZDASPEED/Team Andretti Autosport entry after his engine was collected for a routine verification yesterday evening. It...