Sergio Perez endured an utterly miserable afternoon in qualifying for the Monaco Grand Prix on Saturday. He was at the centre of a huge upset as he failed to make it out of Q1. It was a fresh dose of qualifying woe for the Mexican, who suffered a Q2 exit at the last race in Imola. He was able to recover to eighth on that occasion but his prospects of points appear slim from 18th given the nature of the Monaco circuit. Perez needed to respond after his poorest weekend of the season so far, but Saturday’s events will only increase the pressure on his shoulders. He is, of course, driving for his …