The battle between the midfield teams in Formula 1 has gotten even closer this year, as the cars have started to converge on their performance. This means the difference between getting knocked out in Q1 and progressing through to Q3 can often be a matter of hundredths of a second. The team with the most early exits so far this year is Sauber, with Zhou Guanyu qualifying last on seven occasions this season. Their highest came from Valtteri Bottas at the Chinese GP, when he managed to qualify in 10th place. In the races things get worse for Sauber, having achieved a highest place finish of 11th…