Bayern Munich have won a record-extending 10th consecutive Bundesliga title, becoming the first side in a major league to do so, with a 3-1 home victory over second-placed Borussia Dortmund on Saturday. Juventus previously managed nine Serie A championships in succession but Bayern are the first to have a decade of undisputed dominance in a leading division. Bayern have now won 32 German championships with 31 coming in the Bundesliga era from 1963/64. A brilliant Serge Gnabry goal opened the scoring in 15 minutes, Robert Lewandowski doubled the lead before the break. In the second half Dortmun…