Austin Steven Phillip Hubbard (born December 22, 1991) is an American mixed martial artist who competed in the Lightweight division of the Ultimate Fighting Championship (UFC). Fighting professionally since 2015, he has also competed for the Legacy Fighting Alliance, where he is the former Lightweight Champion.
A native of Sterling, Illinois, Hubbard began his athletic career playing football and practicing wrestling for Newman Central Catholic High School. While pursuing a degree in Criminal Justice at Sauk Valley Community College, he started training MMA as a way to stay in shape. Hubbard moved to Denver, Colorado and joined Elevation Fight Team, training with Drew Dober and Neil Magny.
Hubbard started his professional MMA career in 2015. He was the former Legacy Fighting Alliance Lightweight Champion, amassing a record of 10âÂÂ2 prior to signing with the UFC in April 2019.
Hubbard made his UFC debut on May 18, 2019, at UFC Fight Night 152 against Davi Ramos. He lost the fight via unanimous decision. His second UFC bout was on September 14, 2019, against Kyle Prepolec at UFC Fight Night 158. Although he won this fight via unanimous decision, compartment syndrome on his upper thigh required surgery to relieve the swelling.
Six months later, Hubbard faced Mark Madsen on March 7, 2020, at UFC 248. He lost the fight by unanimous decision. Hubbard was expected to face Joe Solecki on June 20, 2020, at . However at the last minute, Solecki was replaced by promotional newcomer Max Rohskopf. He won the fight via TKO between the second and third rounds after Rohskopf opted not to continue. The match with Solecki was rescheduled on August 22, 2020, at UFC on ESPN 15. He lost the fight by submission in the first round.
The following year, Hubbard was expected to face promotional newcomer Natan Levy on April 17, 2021, at UFC on ESPN 22; however, Levy pulled out of the bout, citing an injury. With Dakota Bush tapped to replace Levy, Hubbard won the fight via unanimous decision. Later that fall, Hubbard faced Vinc Pichel on August 21, 2021, at UFC on ESPN 29, losing via unanimous decision.
In May 2022, Hubbard was released from the UFC. Following his release, Hubbard faced Julian Lane at XMMA 5 on July 23, 2022, winning via unanimous decision. Three months later, Hubbard faced Kegan Agnew at Caged Aggression 34 on October 14, 2022, for the promotion's lightweight championship. He won the bout via unanimous decision.
In March 2023, it was announced that Hubbard would be competing in The Ultimate Fighter 31. In the quarterfinal (Episode 3), Hubbard faced former LFA Lightweight Champion Aaron McKenzie, winning via unanimous decision. In the semi-final round (Episode 9), Hubbard faced teammate Roosevelt Roberts. Although Hubbard won the fight via split decision, the bout was noted as unimpressive by UFC President Dana White for lack of aggressiveness.
In the tournament final, Hubbard faced teammate Kurt Holobaugh on August 19, 2023, at UFC 292. He lost the fight via a triangle choke submission in the second round.
In February 2024, it was announced that Hubbard would face Michaà  Figlak on April 27, 2024, at UFC on ESPN 55. Hubbard won the fight by unanimous decision. Later that year, Hubbard was briefly scheduled to face Nate Landwehr on October 5, 2024, at UFC 307; however, Landwehr withdrew for unknown reasons and was replaced by Alexander Hernandez on short notice. Hubbard lost the fight by split decision.
Hubbard was scheduled to face Daniel Zellhuber on March 29, 2025, at UFC on ESPN 64, replacing Elves Brener who withdrew for unknown reasons. However, Zellhuber was pulled from the card due to injury and was replaced by MarQuel Mederos. Hubbard lost to Mederos by split decision.
Hubbard faced Rong Zhu on August 23, 2025, at UFC Fight Night 257. He lost the fight via unanimous decision.
On September 11, 2025, it was reported that Hubbard was released by the UFC once again.
|- |Loss |align=center|16âÂÂ11 |Kegan Gennrich |Technical Submission (arm-triangle choke) |Caged Aggression 41: Night 2 | |align=center|4 |align=center|1:49 |Davenport, Iowa, United States | |- |Loss |align=center|16âÂÂ10 |Rong Zhu |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Shanghai, China | |- |Loss |align=center|16âÂÂ9 |MarQuel Mederos |Decision (split) | | |align=center|3 |align=center|5:00 |Mexico City, Mexico | |- |Loss |align=center|16âÂÂ8 |Alexander Hernandez |Decision (split) |UFC 307 | |align=center|3 |align=center|5:00 |Salt Lake City, Utah, United States | |- |Win |align=center|16âÂÂ7 |Michaà  Figlak |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States | |- |Loss |align=center|15âÂÂ7 |Kurt Holobaugh |Submission (triangle choke) |UFC 292 | |align=center|2 |align=center|2:39 |Boston, Massachusetts, United States | |- |Win |align=center|15âÂÂ6 |Kegan Agnew |Decision (unanimous) |Caged Aggression 34 | |align=center|5 |align=center|5:00 |Davenport, Iowa, United States | |- |Win |align=center|14âÂÂ6 |Julian Lane |Decision (unanimous) |XMMA 5 | |align=center|3 |align=center|5:00 |Columbia, South Carolina, United States | |- |Loss |align=center|13âÂÂ6 |Vinc Pichel |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States | |- |Win |align=center|13âÂÂ5 |Dakota Bush |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States | |- |Loss |align=center|12âÂÂ5 |Joe Solecki |Submission (rear-naked choke) | | |align=center|1 |align=center|3:51 |Las Vegas, Nevada, United States | |- |Win |align=center|12âÂÂ4 |Max Rohskopf |TKO (retirement) | | |align=center|2 |align=center|5:00 |Las Vegas, Nevada, United States | |- |Loss |align=center|11âÂÂ4 |Mark Madsen |Decision (unanimous) |UFC 248 | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States | |- |Win |align=center|11âÂÂ3 |Kyle Prepolec |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Vancouver, British Columbia, Canada | |- |Loss |align=center|10âÂÂ3 |Davi Ramos |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Rochester, New York, United States | |- |Win |align=center|10âÂÂ2 |Killys Mota |TKO (punches) || | |align=center|5 |align=center|4:45 |Prior Lake, Minnesota, United States | |- |Win |align=center|9âÂÂ2 |Harvey Park |Decision (unanimous) | | |align=center|3 |align=center|5:00 |Vail, Colorado, United States | |- |Win |align=center|8âÂÂ2 |Charlie Radtke |Decision (unanimous) |Caged Aggression 22 | |align=center|3 |align=center|5:00 |Davenport, Iowa, United States | |- |Loss |align=center|7âÂÂ2 |Eric Wisely |Decision (unanimous) |Caged Aggression 20 | |align=center|3 |align=center|5:00 |Davenport, Iowa, United States | |- |Win |align=center|7âÂÂ1 |Cameron VanCamp |Submission (rear-naked choke) |Hoosier Fight Club 34 | |align=center|3 |align=center|2:44 |Hammond, Indiana, United States | |- |Win |align=center|6âÂÂ1 |Kristian Nieto |Decision (unanimous) |Sparta Combat League 59 | |align=center|5 |align=center|5:00 |Denver, Colorado, United States | |- |Win |align=center|5âÂÂ1 |Cliff Wright |Decision (unanimous) |Caged Aggression 18 | |align=center|5 |align=center|5:00 |Davenport, Iowa, United States | |- |Loss |align=center|4âÂÂ1 |Sean McMurray |Submission (rear-naked choke) |Hoosier Fight Club 30 | |align=center|2 |align=center|2:10 |Michigan City, Indiana, United States | |- |Win |align=center|4âÂÂ0 |Devoniere Jackson |TKO (punches) |Caged Aggression 17 | |align=center|2 |align=center|3:47 |Davenport, Iowa, United States | |- |Win |align=center|3âÂÂ0 |Demian Papagni |TKO (submission to punches) |Pinnacle Combat 22 | |align=center|2 |align=center|0:40 |Dubuque, Iowa, United States | |- |Win |align=center|2âÂÂ0 |Jake Constant |TKO (punches) |Caged Aggression 16 | |align=center|1 |align=center|1:36 |Davenport, Iowa, United States | |- |Win |align=center|1âÂÂ0 |Deven Fisher |Submission (guillotine choke) |Caged Aggression: Sturgis 75th Anniversary Part 2 | |align=center|1 |align=center|2:00 |Sturgis, South Dakota, United States | |-
|Win |align=center|2âÂÂ0 |Roosevelt Roberts |Decision (split) |rowspan=2| | (airdate) |align=center|3 |align=center|5:00 |rowspan=2|Las Vegas, Nevada, United States | |- |Win |align=center|1âÂÂ0 |Aaron McKenzie |Decision (unanimous) | (airdate) |align=center|2 |align=center|5:00 |