[29] On 3 December 2011 Whyte defeated Croatian Toni Visic, winning by technical knockout (TKO) in the third round due to referee Jeff Hinds stopping the fight at 1 minute 46 seconds.
[48] On 20 December 2014, Whyte scored another TKO win, this time over heavyweight hope Kamil Sokolowski in three rounds at the City Hall in Hull.
[49] Whyte followed up his Sokolowski win with a KO victory over Marcelo Luiz Nascimento on 7 February 2015 at the Camden Centre[50] to which the Brazilian had never been stopped as quickly in his career.
[55][56] On 1 August 2015, Whyte faced Irineu Beato Costa Junior,[57] at the KC Lightstream Stadium in Hull, on the undercard of Rumble on the Humber featuring Luke Campbell's clash against Tommy Coyle in a WBC lightweight eliminator.
[62] On 14 September 2015, it was announced that Whyte would fight old rival Anthony Joshua for the vacant British heavyweight title on 12 December at The O2 Arena in London on Sky Sports Box Office.
[68] It was announced on 19 September that Whyte would fight domestic veteran Ian Lewison for the vacant British heavyweight title in Glasgow on the undercard of Ricky Burns vs. Kiryl Relikh on 7 October.
The fight took place on Sky Box Office in the UK on the undercard off Anthony Joshua vs. Éric Molina for the IBF heavyweight title.
[77] On 14 April, Washington put his name forward wanting to get back into the world title mix following his failed attempt to dethrone WBC heavyweight champion Deontay Wilder in February 2017.
The fight was to take place live on Sky Sports and would also feature younger talents including Reece Bellotti, Ted Cheeseman and Lawrence Okolie.
[81] In early June, promoter Eddie Hearn of Matchroom Boxing confirmed that Whyte would be making his US debut in the Summer of 2017 in order to earn himself a potential world title shot by the end of the year.
[86][87] Eddie Hearn announced that Whyte would fight on the Anthony Joshua vs. Carlos Takam (originally Kubrat Pulev) card on 28 October at the Principality Stadium in Cardiff.
With the win, Whyte claimed the vacant WBC Silver heavyweight title, moving him a step closer to fighting world champion Wilder.
[112] On the morning of 7 June, it was confirmed that Whyte would instead fight former WBO heavyweight champion Joseph Parker (24–1, 18 KOs) on 28 July at The O2 Arena in London on Sky Box Office.
Parker had an explosive start to round twelve, knowing he needed a knockout to win, he eventually knocked down a fatigued Whyte with 20 seconds left in the fight with a right hand to the head.
The Sky Sports team, which included Matthew Macklin, David Haye, Johnny Nelson and Tony Bellew, were criticized for their views.
Joshua, who was unusually booed by many of those present at the O2 Arena, said: "If Deontay Wilder is serious and he is going to fight Tyson Fury and doesn't want to become undisputed champion, Dillian, you will get a title shot."
WBC-NABF, IBF International, and WBO-NABO champion Óscar Rivas, had enhanced his reputation as a danger man following his brutal KO of the former world title challenger Bryant Jennings in January.
On 27 November 2019, Matchroom Boxing announced that Whyte would be added to the Andy Ruiz Jr. vs. Anthony Joshua II undercard against veteran Mariusz Wach (35-5, 19 KOs) on 7 December at Diriyah Arena in Saudi Arabia.
[145][146][147] Whyte was scheduled to defend his WBC interim title against Alexander Povetkin on 2 May 2020 Manchester Arena, however, due to the COVID-19 pandemic the event was rescheduled for 22 August at the Matchroom Sport headquarters in Brentwood, Essex.
However, just 30 seconds into the following round, Povetkin landed an uppercut which left Whyte flat on his back, prompting the referee to call an immediate halt to the contest.
[162][163] On 20 February, a new date of 27 March was announced, this was due to travel restrictions and the venue was confirmed to be Europe Point Sports Complex in Gibraltar.
85,000 of the 90,000 available tickets were sold within the first 3 hours, prompting Fury's promoter Frank Warren to begin the process of applying to the local authorities to expand the capacity to 100,000 fans, which would make Fury-Whyte the largest post-war boxing attendance in the history of the United Kingdom.
Although Whyte was able to beat the count and rise to his feet, the referee deemed it unsafe for him to continue, halting the fight after two minutes and fifty-nine seconds of the sixth round, declaring Fury the winner by sixth-round technical knockout.
[187] On 30 September 2022, Whyte appointed Hall of Famer Buddy McGirt as his head trainer replacing Xavier Miller and Harold Knight.
[188][189] On 19 October, multiple reports confirmed Whyte would make his ring return in a scheduled 12 round bout against American contender Jermaine Franklin (21-0, 14 KOs) on 26 November at the OVO Arena Wembley in London.
[209][210] Whyte put out a statement via his many social media channels stating, “I am shocked and devastated to learn of a report by VADA of adverse findings relating to me.
He was scheduled to fight Christian Hammer, headlining a card billed "Once Upon a Time in the West" on 17 March 2024 at the TF Royal Theatre in Castlebar, Ireland.
[221][222] In November 2024, during the broadcast of Chris Billam-Smith vs. Gilberto Ramirez, DAZN announced Whyte would return to the ring on December 15 at the Europa Point Sports Complex in Gibraltar against Ghanian boxer Ebenezer Tetteh (23-1,20 KOs).
[224][225] On 8 February 2025, it was reported by The Ring Magazine, Queensberry Promotions debut card on DAZN would take place on 5th April with the headline bout being Whyte vs. Joe Joyce (16-3, 15 KOs) in a heavyweight contest.
[230] He has highlighted his early boxing idols as including Jack Dempsey, Sonny Liston, Archie Moore, Lennox Lewis and James Toney.