Welcome to today's edition of Sportskeeda's daily MMA News Roundup, where we present the biggest UFC updates and other stories from the world of mixed martial arts.In today's issue, we talk about Mauricio 'Shogun' Rua announcing that he's set to retire after his next fight, Conor McGregor praising an inspirational MMA fighter, and more.#3. Mauricio 'Shogun' Rua set to retire after next fightFormer light heavyweight champion Mauricio 'Shogun' Rua has announced that he will be retiring from the sport after his bout against Ihor Potieria at UFC 283 in front of his compatriots in Rio de Janeiro, Brazil.During an interview with Combate, Rua opened up about his decision to retire from the sport and confirmed that his upcoming fight will be his last:"It's definitely my last fight... And I don't put pressure on me anymore. My obligation is to give my best, and that's what I think about."Check out the Twitter post below:MMA Junkie@MMAJunkieMauricio Rua declares #UFC283 as MMA swan song: 'Definitely my last fight' mmajunkie.usatoday.com/2022/12/mauric…9510Mauricio Rua declares #UFC283 as MMA swan song: 'Definitely my last fight' mmajunkie.usatoday.com/2022/12/mauric…A true veteran of the sport, Rua will be ending an illustrious career that spanned 20 years.#2. Conor McGregor praises Zion Clark after successful professional MMA debutConor McGregor has nothing but good things to say about the inspirational MMA fighter Zion Clark.Clark, a former collegiate wrestler born without legs, recently found success in his professional MMA debut against Eugene Murray.The incredible feat wasn't lost on McGregor, who took to Twitter to congratulate the American fighter. Reacting to Clark's unanimous decision victory, 'The Notorious' wrote:"Absolutely legendary!"Check out Conor McGregor's Twitter post below:Conor McGregor@TheNotoriousMMAAbsolutely legendary! @ufc twitter.com/bigz97/status/…Zion Clark@bigz97@TheNotoriousMMA Appreciate the love and respect @TheNotoriousMMA this is just the start for me I’m excited to see how far I can take my fight game! I proved the doubters wrong in wrestling becoming an All American and D1 Wrestler. All respect 🏽🥊🏽228757@TheNotoriousMMA Appreciate the love and respect @TheNotoriousMMA this is just the start for me I’m excited to see how far I can take my fight game! I proved the doubters wrong in wrestling becoming an All American and D1 Wrestler. All respect 👑💪🏽🥊🙏🏽Absolutely legendary! @ufc twitter.com/bigz97/status/…#1. UFC featherweight takes a shot at Dwayne 'The Rock' JohnsonDwayne 'The Rock' Johnson has recently turned into the biggest villain among the MMA community owing to his sponsorship deal with the UFC and Under Armour.Johnson recently caught more stray bullets, this time from UFC featherweight standout Bill Algeo.The 33-year-old fighter recently taunted Johnson, who announced that he won't be reprising his role in the movie Black Adam. 'The Rock' sent out an emotional message to his fans and said that any plans for a sequel have been put on indefinite hold.Check out Dwayne Johnson's message below:Dwayne Johnson@TheRockBlack Adam15838512383Black Adam⚡️ https://t.co/b7ZbCJZxBwAlgeo caught wind of Johnson's post and responded by writing:"TL, Don’t Care and your shoes still suck"Catch Bill Algeo's tweet below:Bill Algeo@ElSenorPerfecto@TheRock TL, Don’t Care and your shoes still suck 🦾202@TheRock TL, Don’t Care and your shoes still suck 🦾