Olivier Giroud suffered an unusual rush of blood and got a red card for doing a Zidane on QPR defender Nedum Onuoha. He might as well have headbutted Wenger – because he’s left with the headache of playing without Giroud in Arsenal’s games against West Ham on Sunday,Southampton on New Year’s Day and the FA Cup third-round tie with Hull a week later.On the plus side goals from Alexis Sánchez and Tomas Rosicky helped Arsenal to win 2-1 though there was a lot of grim hanging on to do as they were playing with 10 men for a long time.