Red Bull driver Sergio Perez complained about one ‘horrendous’ thing during practice for the Saudi Arabian Grand Prix. Perez is gunning for back-to-back victories in Jeddah after beating Max Verstappen at this event last year. But he made clear to his team that he wasn’t happy about one thing in Friday’s running. Perez set the fifth-fastest time under the lights in second practice, finishing just under half a second behind pacesetter Fernando Alonso in the Aston Martin. In the earlier session, he’d placed third, two tenths off teammate Verstappen but once again behind Alonso. Perez completed a…