UFC on ESPN 56 took place Saturday at Enterprise Center in St. Louis and featured 12 fights.
Of the 24 competitors who fought on the card, nine have been suspended at least 30 days by the Missouri Office of Athletics due to injuries or potential injuries sustained in their bouts. Of those nine, two fighters who suffered knockouts will need additional clearance to go with their 90-day sit-downs.
On Monday, MMA Junkie acquired a full list of the medical suspensions from the commission. Check out a full list of UFC on ESPN 56 medical suspensions below. It’s important to note fighters often can return prior to the conclusion of their designated terms should they be cleared by a physician (unless noted otherwise).
Trey Waters def. Billy Ray Goff

May 11, 2024; St. Louis, Missouri, USA; Billy Ray Goff (red gloves) fights Trey Waters (blue gloves) during UFC Fight Night at Enterprise Center. Mandatory Credit: Jeff Le-USA TODAY Sports
Trey Waters: Suspended 30 days
Billy Ray Goff: Suspended 30 days
Esteban Ribovics def. Terrance McKinney

May 11, 2024; St. Louis, Missouri, USA; Esteban Ribovics (blue gloves) celebrates after defeating Terrance McKinney (red gloves) during UFC Fight Night at Enterprise Center. Mandatory Credit: Jeff Le-USA TODAY Sports
Terrance McKinney: Suspended 90 days. Needs neurological exam clearance.
Chase Hooper def. Viacheslav Borshchev

May 11, 2024; St. Louis, Missouri, USA; Chase Hooper (red gloves) fights Viacheslav Borshchev (blue gloves) during UFC Fight Night at Enterprise Center. Mandatory Credit: Jeff Le-USA TODAY Sports
Viacheslav Borshchev: Suspended 60 days
Sean Woodson def. Alex Caceres

May 11, 2024; St. Louis, Missouri, USA; Alex Caceres (red gloves) fights Sean Woodson (blue gloves) during UFC Fight Night at Enterprise Center. Mandatory Credit: Jeff Le-USA TODAY Sports
Alex Caceres: Suspended 30 days
Diego Ferreira def. Mateusz Rebecki

May 11, 2024; St. Louis, Missouri, USA; Diego Ferreira (red gloves) fights Mateusz Rebecki (blue gloves) during UFC Fight Night at Enterprise Center. Mandatory Credit: Jeff Le-USA TODAY Sports
Mateusz Rebecki: Suspended 90 days. Needs neurological exam clearance.
Carlos Ulberg def. Alonzo Menifield

May 11, 2024; St. Louis, Missouri, USA; Alonso Menifield (red gloves) reacts during his fight with Carlos Ulberg (not pictured) during UFC Fight Night at Enterprise Center. Mandatory Credit: Jeff Le-USA TODAY Sports
Alonzo Menifield: Suspended 60 days
Joaquin Buckley def. Nursulton Ruziboev

May 11, 2024; St. Louis, Missouri, USA; Joaquin Buckley (red gloves) fights Nursulton Ruziboev (blue gloves) during UFC Fight Night at Enterprise Center. Mandatory Credit: Jeff Le-USA TODAY Sports
Nursulton Ruziboev: Suspended 60 days
Derrick Lewis def. Rodrigo Nascimento

ST LOUIS, MISSOURI – MAY 11: (L-R) Derrick Lewis punches Rodrigo Nascimento of Brazil in a heavyweight fight during the UFC Fight Night event at Enterprise Center on May 11, 2024 in St Louis, Missouri. (Photo by Josh Hedges/Zuffa LLC via Getty Images)
Rodrigo Nascimento: Suspended 30 days
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