Leverkusen extend Bundesliga lead to 10 points with derby win

Bayer Leverkusen tightened their grip at the top of the Bundesliga with a 2-0 victory over 10-man Cologne to pull 10 points clear of Bayern Munich.But Leverkusen controlled large periods of the contest as they took another step toward their first ever Bundesliga title with 10 games left to play.
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