Bayern Munich extended their lead atop the Bundesliga on Saturday after a Jamal Musiala howitzer secured a 1-0 win at promoted St Pauli, but champions Bayer Leverkusen dropped points again in a 1-1 draw at lowly Bochum. Vincent Kompany’s Bayern, the only unbeaten team left in the German top flight, have gone five points clear after second-placed RB Leipzig could only draw 0-0 with mid-table Borussia Mönchengladbach in the late game having lost to Borussia Dortmund last weekend. “I didn’t know I had such a shot in me,” Musiala told Sky. “I have been practising in training trying to shoot from d…