Kirby Chambliss has been coming on strong, but suffered a setback as the Red Bull Air Race World Championship returned to Porto, Portugal. The two-time champ from Texas aims to win a third title, but missed a chance to get a firm grip on that 2017 trophy with two races to go after taking a final-round gate penalty on Sept. 3.
Source: aopaPenalty pushes Chambliss off podium