Sergio Perez was guilty of poor “teamwork” in Saturday’s Austrian GP sprint race, according to Red Bull’s Dr Helmut Marko. Boss Christian Horner went into the team’s home race at the Red Bull Ring fending off speculation that Perez’s recent form would ultimately lead to his ousting. “Everyone is completely behind him,” Horner said. “Any … Continue reading Sergio Perez guilty of poor ‘teamwork’ – Helmut Marko.