BERLIN – Bayern Munich knows all too well how tough an opponent Juergen Klopp can be. Now in his fourth season at Anfield, the former Borussia Dortmund coach is facing Bayern for the first time while leading Liverpool. Bayern visits Liverpool for the first leg of their Champions League last-16 game on Tuesday, mindful that it didn’t always come out on top against Klopp during his time at Dortmund. While Bayern defeated Klopp’s Dortmund side in the 2013 Champions League final, Klopp had the upper hand in the 2012 German Cup final, which Dortmund won 5-2. Klopp also led Dortmund to successive league titles at Bayern’s expense in 2011 and 2012. “Personally I like Juergen Klopp a lot,” said Bayern president Uli Hoeness, who revealed that he almost signed Klopp to take over before the club decided on Jurgen Klinsmann in 2008. Also Tuesday, Lyon hosts Barcelona. On Wednesday, Atletico Madrid welcomes Juventus, and Schalke hosts Manchester City. Liverpool has not lost a European match at Anfield since the 3-0 group stage defeat to Real Madrid in 2014 and Bayern has questions over its defense ahead of its trip. The Bavarian powerhouse conceded twice to relegation-threatened Augsburg in the Bundesliga…