Niko Kovac has admitted he made a mistake by not fielding club icon Thomas Müller more often during his term as Bayern Munich coach. Kovac coached Bayern from July 2018 until November 2019 and caused controversy when he didn’t field him regularly and said that “Müller will certainly get his minutes in the case of an emergency.” That gave the impression Müller would only play if others were injured but Kovac told Sky TV on Sunday night what he meant wasthat Müller would play if things don’t work out. “He wasn’t the emergency man, if there’s no one else, then he’ll play. That was my mistake,” Ko…