Xabi Alonso's Bayer Leverkusen win first Bundesliga title - ESPN

Bayer Leverkusen won the first Bundesliga title in their history with a 5-0 win over Werder Bremenon Sunday, securing the championship with five games to play.

Alonso's team remain unbeaten in all competitions this season having broken Bayern Munich's German record of 32 games without a defeat in all competitions in February. The run now stands at 43 in all competitions.

— Stream on ESPN+: LaLiga, Bundesliga, more (U.S.)

Leverkusen took the lead in the 25th minute through Victor Boniface's penalty, and a long-range strike from Granit Xhaka in the second half added comfort to the score in front a rapturous BayArena crowd.

Florian Wirtz added the final touches with a superb effort in the 68th minute that left Michael Zetterer with almost no chance in the Werder Bremen goal. Wirtz scored again with a few minutes remaining, causing some fans to run onto the pitch. Wirtz and other players motioned the fans off the grass, and the rest of the game was played under the smoke of pyrotechnics.

There was another disruption as Wirtz completed his hat trick with more fans racing out of the stands, causing the referee to blow the full-time whistle and sparking scenes of sheer jubilation among players, fans and staff alike.

The result means Bayern's run of 11 consecutive Bundesliga titles has come to an end, with the Bavarian giants and Stuttgart both 16 points behind.

It caps a remarkable transformation for Leverkusen since Alonso took over as coach in October 2022. The club was second-bottom at the time after eight rounds of last season, with the former Spain international eventually leading them to a sixth-placed finish.

That momentum carried into this season, with the signings of Boniface, Xhaka, Jonas Hofmann and Alejandro