Cristiano Ronaldo scores winner at Malaga to maintain Real Madrid 's lead . Rival Diego Costa also scores only goal of match for second -placed Atletico . Second-placed Borussia Dortmund suffered a 2-1 home defeat by Borussia Monchengladbach , and Jurgen Klopp 's team will surrender the title race if more points are dropped next weekend . Real Madrid 's Friday closer to a second German Bundesliga title . Real Madrid 's European hopes boosted by second successive Serie A win .
Cristiano Ronaldo scores winner at Malaga to maintain Real Madrid 's lead . Rival Diego Costa also scores only goal of match for second -placed Atletico . Real Madrid 's Friday closer to a second German Bundesliga title . Real Madrid 's European hopes boosted by second successive Serie A win .