Borussia Dortmund moved into a tie with 1 win over Hamburg at the Imtech Arena.

Kevin Grosskreutz put the visitors in front in the 16th minute before Robert Lewandowski and Jakub Blaszczykowski both bagged braces to guide the Borussians to a five-star win. Lewandowski scored in the 37th and 83rd minutes while Blaszczykowski struck in the 58th minute and from the penalty spot in the 76th minute.

Peruvian striker Paolo Guerrero recorded the lone goal for Hamburg in the 86th minute, handing the home side some consolation in the humiliating defeat.

Borussia Dortmund is unbeaten in its last 12 Bundesliga contests. Over that stretch, it has taken 30 points out of a possible 36, helping the club reach the summit of the German top flight where it is tied with Bayern and Schalke on 37 points.

The loss sees Hamburg's eight-game unbeaten streak come to end as the club sits just two points above the relegation zone.

Bayer Leverkusen 3, Mainz 2

Leverkusen, Germany - Bayer Leverkusen bounced back from a second-half equalizer from Mainz as a 70th minute strike by Lars Bender handed Leverkusen a 3-2 win at BayArena on Sunday.

Zdenek Pospech gifted Leverkusen the lead with an own goal in the 10th minute, and Manuel Friedrich extended the lead in the 35th minute. Mainz responded with two second-half goals in the span of three minutes, as Eugen Polanski and Marco Caligiuri scored in the 50th and 53rd minutes before Bender netted the eventual winner.

Mainz is winless in its last five league games and suffers its second-straight defeat, while Leverkusen secures its first win in its last three games to improve to 29 points on the year.