Bayern Munich beat Cologne 2-0 at home on Saturday to delay Bayer Leverkusen’s title party for at least another day and leave the second-bottom Billy Goats five points from absolute safety. Raphaël Guerreiro’s effort from distance on 65 minutes and Thomas Müller’s late strike handed Bayern the win, but Xabi Alonso’s Leverkusen will still clinch their first ever Bundesliga title if they win at home to Werder Bremen on Sunday. “It is tough if you don’t score early and don’t take your chances. But I think 2-0 was fair,” Bayern defender Matthijs de Ligt told Sky. A win on Sunday will give unbeaten…