Bayern Munich extended its lead in the Bundesliga to four points with a 1-0 win over Werder Bremen on Saturday.

Niklas Sule scored in the 75th minute with Bayern’s 22nd shot of the game, his effort taking a deflection off Bremen’s Davy Klaassen.

Bremen lost Milos Veljkovic to a second yellow card around the hour mark at the Allianz Arena.

Bayern forward Robert Lewandowski gestures during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)
Bayern forward Robert Lewandowski gestures during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)

Bayern leads with 70 points and has four games left. Second-place Borussia Dortmund, which plays Freiburg on Sunday, has 66 points.

Also Saturday, Augsburg thrashed relegation-threatened Stuttgart 6-0 and Bayer Leverkusen beat 17th-place Nuremberg 2-0.

Mainz beat Fortuna Duesseldorf 3-1 in a mid-table clash.

Bayern forward Thomas Mueller, left jumps for a header with Bremen's defender Niklas Moisander during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)
Bayern forward Thomas Mueller, left jumps for a header with Bremen’s defender Niklas Moisander during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)

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Bayern forward Thomas Mueller lays on the ground after missing a chance during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)
Bayern forward Thomas Mueller lays on the ground after missing a chance during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)
Bayern defender Niklas Suele, right, celebrates with Bayern defender David Alaba after scoring his side's opening goal during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)
Bayern defender Niklas Suele, right, celebrates with Bayern defender David Alaba after scoring his side’s opening goal during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)
Bremen's midfielder Milot Rashica goes for a header during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)
Bremen’s midfielder Milot Rashica goes for a header during the German Bundesliga soccer match between Bayern Munich and Werder Bremen at the Allianz Arena in Munich, Germany, Saturday, April 20, 2019. (AP Photo/Matthias Schrader)