#siver

On this day in 2015, Conor McGregor made his headliner debut stateside in Boston against Dennis Siver. After this performance, McGregor would compete for the interim featherweight title and continue his rapid rise to superstardom. Subscribe to get all the

Take a look back at some of the wildest finishes due to a spinning strike or kick in UFC history. Subscribe to get all the latest UFC content: http://bit.ly/2uJRzRR Experience UFC live with UFC FIGHT PASS, the digital subscription service of the UFC. Visit

Watch a collection of the former featherweight and lightweight champion's top finishes in his career so far. Conor McGregor returns to the UFC Octagon at UFC 246 on January 18 against Donald "Cowboy" Cerrone. Subscribe to get all the latest UFC content: ht