MMAWeekly.com has learned that the upcoming K2 show featuring Butterbean vs. Tank Abbott has been postponed. The show was scheduled take place in Southern California at the end of June, but it will most likely be rescheduled to take place in August.

The K2 event is put on by the same management team that promotes the Klitchko brothers of boxing fame.

In addition to Butterbean vs. Tank Abbott, the show was also set to feature the return of former UFC Champion and current IFL coach Pat Miletich. MMAWeekly has learned that Miletich was scheduled to make his much-anticipated return to MMA against Thomas Denny. Miletich’s last MMA fight was in early 2002.

Also on the undercard, Renzo Gracie was supposed to have his first MMA fight since last summer.