American coach Jesse Marsch’s Bundesliga debut in charge of Leipzig ended Sunday in a shock 1-0 loss at Mainz, a team hit by coronavirus infections.<br /><br />Mainz coach Bo Svensson had to field an inexperienced side with 11 players in quarantine after three tested positive for COVID-19 over the previous week.<br /><br />If Leipzig’s players were expecting an easy game against their depleted opponents, they were soon disappointed, however.<br /><br />The home team attacked from the off and twice went close before Moussa Niakhate scored what proved to be the winner.<br /><br />Nordi Mukiele failed to clear and Niakhate fired the ball into the net from close range in the 13th minute.<br /><br />Leipzig’s best chance came for Christopher Nkunku on a quick counterattack in the 19th, but the 20-year-old Niklas Tauer got back with a brilliant block to deny the French player