Khamzat Chimaev makes his first middleweight title defence against Sean Strickland in the main event of UFC 328.Chimaev claimed the throne at 185lbs with a record-breaking performance against Dricus du Plessis last August and remains undefeated in his 15-fight professional career.‘Borz’ controlled his South African opponent for over 20 minutes on the canvas to win the UFC middleweight titleGettyStrickland, on the other hand, has already held the UFC middleweight title, but looked at the peak of his powers when he knocked out Anthony Hernandez in Texas last time out.The controversial, outspoken American has only lost to du Plessis in title fights over the past three years, having shockingly claimed his first UFC title by outpointing Israel Adesanya at UFC 293.There is real hatred between both main event stars ahead of their clash at UFC 328, and fans can expect an all-out war in New Jersey.The card also features another title fight as Joshua Van defends the flyweight belt against Tatsuro Taira.UFC 328: Date and start timeUFC 328 takes place on Saturday, May 9, at the Prudential Center in Newark, New Jersey.The early preliminary card is set to begin at 5pm local time (2pm PT, 10pm UK) before the prelims action continues from 7pm (4pm PT, 12am UK).UFC 328’s main five-fight card is then scheduled to start at 9pm local time in Newark (6pm PT, 2am on Sunday UK).All of the action will stream live for fans in the US on Paramount+ as part of their regular subscription.For those in the UK, UFC 328 will be available live on TNT Sports and HBO Max, with the preliminary card available on UFC Fight Pass.talkSPORT.com will keep you up to date with all the main talking points ahead of UFC 328, right through to the conclusion of fight night at Prudential Center.UFC 328: Fight cardMAIN EVENT: Khamzat Chimaev (c) vs Sean Strickland – for UFC Middleweight ChampionshipCo-main: Joshua Van (c) vs Tatsuro Taira – for UFC Flyweight ChampionshipAlexander Volkov vs Waldo Cortes Acosta – HeavyweightSean Brady vs Joaquin Buckley – WelterweightKing Green vs Jeremy Stephens – LightweightChimaev is a big favourite heading into his first title defence, but faces a prime Strickland, who would nothing more than to KO the championGettyPreliminary cardJan Blachowicz vs Bogdan Guskov – Heavyweight (Blachowicz OUT with injury)Ateba Gautier vs Ozzy Diaz – MiddleweightGrant Dawson vs Mateusz Rebecki – LightweightJoel Alvarez vs Yaroslav AmosovEarly prelimsRoman Kopylov vs Marco Tulio – MiddleweightBaisangur Susurkaev vs Djorden Santos – MiddleweightClayton Carpenter vs Jose Ochoa – FlyweightUFC 328: What has been said?Chimaev and Strickland have been trading verbal blows for far longer than since their title fight was announced.Strickland criticised Chimaev for his lack of activity as a championGETTYHe lost both of his middleweight title bouts against du Plessis, the main Chimaev defeated at UFC 319AFPThe pair have trained together in Las Vegas before and the outcomes of the sessions have been a major talking point leading up to UFC 328.Chimaev has insisted that he submitted Strickland more than once in sparring, while the challenger claims he made the champion ‘quit’ during training.‘Borz’ said last week that he couldn’t promise not to ‘kill’ Strickland if the pair ever met in the streets.So Strickland took to the streets at Newport Beach, California, where Chimaev is currently preparing for UFC 328 at Santo Studios.“I was on Instagram and some stupid s*** popped up in my feed about Chimaev saying he’ll try to fight me or kill me in the streets,” Strickland explained on social media.“I was like ten minutes from [Chimaev’s] gym. I was dropping tags and locations all day on my Instagram. “The homies that train with you follow me. They were seeing my stories. You had to know where I was at.“Part of me thought you’d show up… I’m like the last dude in America you should threaten, but I guess if you don’t show up, you don’t show up.”Strickland has previously labelled Chimaev a ‘f***ing coward’ for not being an active UFC champion.Meanwhile, UFC president Dana White has already revealed that the security presence in Newark will be ramped up for the main event.He also told the Spinnin Backfist MMA Show in April that there will be no pre-fight face-off for Paramount’s promotional material, as seen for previous numbered cards.There will, of course, remain a face-off and an electric press conference during fight week.UFC 328 will decide the next champion at middleweightGetty“Strickland looked incredible in his last performance,” White said.“How much security do you think we’re going to need for Chimaev vs Strickland?“The main event is the fight that people have been waiting for for a long time.”UFC ScheduleFor all the upcoming fights and results this year, check out talkSPORT.com’s UFC schedule.