Han mødte derefter The Ultimate Fighter 7- vinderen Amir Sadollah den 13. november 2010 på UFC 122. <ref>{{Cite web|url=http://mmajunkie.com/news/20323/amir-sadollah-vs-peter-sobotta-targeted-for-ufc-122-in-germany.mma|title=Amir Sadollah vs. Peter Sobotta targeted for UFC 122 in Germany|publisher=mmajunkie.com|access-date=2009-09-02|url-status=dead|archive-url=https://web.archive.org/web/20100820121753/http://mmajunkie.com/news/20323/amir-sadollah-vs-peter-sobotta-targeted-for-ufc-122-in-germany.mma|archive-date=2010-08-20}}</ref> Han tabte kampen via enstemmig afgørelse og blev straks frigivet fra organisationen sammen med Goran Reljic og Seth Petruzelli . <ref>{{Cite web|url=http://www.cagepotato.com/and-now-theyre-fired-ufc-122-edition-featuring-peter-sobotta-and-goran-reljic|title=.And Now They're Fired: UFC 122 Edition Featuring Peter Sobotta and Goran Reljic|publisher=cagepotato.com|access-date=2009-11-19|archive-date=24. marts 2016|archive-url=https://web.archive.org/web/20160324142008/http://www.cagepotato.com/and-now-theyre-fired-ufc-122-edition-featuring-peter-sobotta-and-goran-reljic/|url-status=dead}}</ref>
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