Jon Jones
Jon Jones will reportedly return to action for the first time in 17 months against Alexander Gustafsson. In this picture, Jones looks on prior to a fight against Daniel Cormier in the Light Heavyweight title bout during UFC 214 at Honda Center in Anaheim, California, July 29, 2017. Sean M. Haffey/Getty Images

The end of the year is shaping up nicely for the UFC as two big rematches have been added for the month of December.

According to ESPN's Ariel Helwani, multiple sources have confirmed that Jon Jones (22-1-1) will return to action for the first time in 17 months to take on Alexander Gustafsson (18-4) in a highly-anticipated rematch at UFC 232 which takes place Dec. 29 at the T-Mobile Arena in Las Vegas.

It's not made official by the UFC yet but the bout will likely be the main event of the end-of-year card and will be contested for the light heavyweight title, according to Helwani.

Daniel Cormier is the current 205-champion along with being the heavyweight champion, however, he will be stripped of the light heavyweight title as soon as the first punch is thrown between Jones and Gustafsson. Cormier is notably defending his heavyweight title against Derrick Lewis a month earlier at UFC 230.

Jones was recently cleared to compete again and will be officially eligible on Oct. 28 after failing a drug test for the second time in his career last year, following his knockout win over Cormier at UFC 214.

The youngest champion in UFC history defeated Gustafsson via unanimous decision during their first meeting at UFC 165 in 2013 in what was a highly-competitive contest. Many regard it as the greatest fight in light heavyweight history and having called for a rematch for years, fans will finally get their wish.

Gustafsson last competed in May 2017 in his hometown of Stockholm where he defeated Glover Texeira via knockout in the fifth round.

Also expected to feature on the UFC 232 card is a women's featherweight title fight between current champion Cris Cyborg and women's bantamweight champion Amanda Nunes in an all-Brazilian clash.

Meanwhile, Helwani also reported that lightweight contenders Kevin Lee (17-3) and Al Iaquinta (13-4-1) would headline the main event of UFC Milwaukee which takes place Dec. 15 at the Fiserv Forum.

This was later made official by the UFC who announced it on their social media pages.

The pair first fought at UFC 169 in February 2014 with Iaquinta getting the unanimous decision win over the debuting Lee at the time.

They have since regularly gone back-and-forth on social media and will finally throw down once again, with both fighters heavily improving since their first meeting.

Lee bounced back from his interim title defeat against Tony Ferguson at UFC 216 last year by defeating Edson Barboza via TKO (doctor stoppage) in the main event of UFC Atlantic City in April.

Iaquinta returned from a two-year hiatus to knock out Diego Sanchez last year. He would then step in on a day's notice to take on Khabib Nurmagomedov for the vacant lightweight title at UFC 223 in April, losing via unanimous decision.

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