Jon Jones sent Stipe Miocic into retirement with a stunning back kick to the ribs and used a series of blows to the head in the third round to retain the UFC heavyweight championship in front of President-elect Donald Trump in the main event of UFC 309 at Madison Square Garden on Saturday night.

NEW YORK - Jon Jones pulled off a stunning knock-out of Stipe Miocic at UFC 309 on Saturday night, folding his opponent with a spinning back-kick to the body to cement his stats as arguably the greatest fighter of all time as he retained his heavyweight belt.

Jon Jones got the best of Stipe Miocic in the third round. Here are all of the results and best highlights from UFC 309.

Jon Jones and Stipe Miocic are set to fight for the heavyweight championship at UFC 309 on Saturday night at Madison Square Garden.

Jon Jones retained his UFC heavyweight title with an impressive spinning kick to stop Stipe Miocic in the third round of their fight at UFC 309 on Saturday at Madison Square Garden.

Jones put his complete skillset on display in dismantling Miocic on Saturday night before scoring the stunning knockout blow

The UFC heavyweight champion protected his spot at the apex of mixed martial arts on Saturday night and moved to endear some more fans with a dominant win over Stipe Miocic, delivering a roundhouse kick to Miocic’s gut with his left leg that crumbled Miocic to the mat in the third round.

Jon Jones says he isn't retiring just yet and says he needs to go back to the table with UFC before he fights again.