Wolfsburg appointed former RB Leipzig coach Ralph Hasenhüttl on Sunday after sacking Niko Kovac following the Bundesliga side’s plummeting form. The Wolves lost 3-1 at home to Augsburg on Saturday, their 11th league game without a win and third defeat in a row. They were unlucky to have Kevin Wimmer harshly sent off after he had given them the lead but then completely fell apart. The Volkswagen-backed club, champions in 2009, have slipped to 14th spot with eight games remaining and are only six points above the relegation play-off spot. Austrian Hasenhüttl, 56, has signed a “long-term” contrac…