Dennis Siver

UFC 137 results: Donald Cerrone defeats Dennis Siver by submission (rear naked choke) at 2:22 of round 1. A pair of spinning back kicks knockouts put Dennis Siver on the map to fans as more than "just another European lightweight" and made his name as a top notch striking threat. Despite starting his UFC career 1-3 he is now 4-1 in his last five trips to the Octagon. Only three of Siver's career wins have come by decision, giving him an extremely high finish percentage.