Former UFC heavyweight champion Stipe Miocic announced his retirement from mixed martial arts after losing to Jon Jones last night.

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.

UFC 309 promises to be a must-watch event with Jon Jones taking on Stipe Miocic. Here are the live updates, results and highlights.

Jon Jones delivered another decisive performance in his second fight at heavyweight. Jones landed a spinning back kick to the ribs of Stipe Miocic which folded the former champion and forced the referee to end the fight near the end of the third round.

Check out this week's "Spinning Back Clique," MMA Junkie's weekly live show that takes a spin through the biggest topics in mixed martial arts. This week's panel of Brian "Goze" Garcia, Mike Bohn and

Tom Aspinall gained confidence after watching Jon Jones retain his heavyweight title at UFC 309. Aspinall (15-3 MMA, 8-1 UFC) was in attendance for Jones' spinning back kick finish of Stipe Miocic in Saturday's main event at Madison Square Garden in New York.

When everything was at stake, Jon Jones proved the MMA sphere why he is considered the GOAT of the sport. The post “Big News” – Jon Jones Put on Alert by Tom Aspinall’s Conversation With Dana White and Hunter Campbell After UFC 309 appeared first on EssentiallySports.