VfL Bochum showed no mercy and were superb to thrash Bundesliga leaders Bayern Munich 4-2 at home on Saturday. The remarkable triumph saw Bochum score all four goals in the first half after being 1-0 down, becoming the first team to score more than three goals against Bayern before half-time since 1975. It was also Bochum’s first win against Bayern in almost 18 years and after a 7-0 defeat in Munich early in the season. Robert Lewandowski broke the deadlock for the Bavarians in the ninth minute, but the hosts struck back quickly with Christopher Antwi-Adjei to equalize. Bochum fans sank into a…