August 13, 2026 – Former world title challenger Craig “Spider” Richards will take on Radivoje “Hot Rod” Kalajdzic in a crossroads 10-round light heavyweight showdown on Saturday, September 26, as part of ZUFFA BOXING 11 at London’s Copper Box Arena.
Richards vs. Kalajdzic will serve as the chief support bout to the 10-round heavyweight main event featuring Romford’s Johnny Fisher. An opponent for Fisher will be announced in the coming days.
Tickets for ZUFFA BOXING 11 will go on sale Friday, August 14 at 10 a.m. BST via Ticketmaster. Learn more about pre-sale opportunities at zuffaboxing.com/register.
London native Richards (20-4-1, 13 KOs) is a world-ranked former British champion who gave long-reigning world champion Dmitry Bivol all he could handle in their 2021 title fight. He went 2-0 in 2025, including a KO over former British, Commonwealth, and English champion Dan Azeez.
The bout will mark new territory for the hard-hitting, Serbian-born Kalajdzic (30-3, 22 KOs), who will fight outside North America for the first time as a professional. Kalajdzic was victorious at ZUFFA BOXING 02 in February, rising from knockdowns in the first and fourth rounds to score a seventh-round stoppage over former world champion Oleksandr “The Nail” Gvozdyk.
ZUFFA BOXING 11 will also showcase a 10-round middleweight showdown between British bruisers Lee Cutler and Louis Greene. Cutler (16-2, 8 KOs) last fought on ZUFFA BOXING 07 in his hometown of Bournemouth, stopping Aaron Sutton in three rounds. Greene (19-4, 12 KOs), a former Commonwealth super welterweight champion, earned a decision over Daniel Buciuc last week on ZUFFA BOXING 10 in Dublin.
Many of Zuffa’s top prospects are also scheduled to appear on the bill, including welterweight Alex MacMillan (4-0, 3 KOs), light heavyweight Leon Hughes (5-0, 4 KOs), and Team GB amateur standout Kayla Allen, who will make her professional debut in a six-round bout. Essex native Fred Pullen, who won Senior Elite ABA and Haringey Box Cup titles as an amateur, will also turn professional in a four-round lightweight contest.
The event will be broadcast live on Sky Sports in the United Kingdom and Ireland and will stream exclusively on Paramount+ in the United States and Canada.
Media can apply for credentials to the event via Access.
About Zuffa Boxing
Zuffa Boxing is a joint venture between TKO Group Holdings, Inc. (“TKO”) (NYSE: TKO) and Sela, the entertainment conglomerate. TKO serves as managing partner, providing day-to-day operational expertise, management, and oversight of the promotion, with executive leadership anchored by UFC President and CEO Dana White and WWE President and TKO Board Member Nick Khan. The promotion aims to reimagine the sport of boxing by evolving the current model to restore the sport’s rightful place in the forefront of the global sports ecosystem. For more information, follow @Zuffa_Boxing on X; and @ZuffaBoxing on Snapchat, Instagram, Threads, and TikTok.
About Sela
Founded in 1997, Sela is a Saudi Arabian company specializing in creating, constructing, and operating unique destinations and recreational experiences across sports, entertainment, culture, and hospitality sectors. Initially recognized as Saudi Arabia’s first FIFA-recognized athletes’ representation company, Sela expanded into sports marketing and has since diversified into broader recreational industries.
About TKO
TKO Group Holdings, Inc. (NYSE: TKO) is a premium sports and entertainment company. TKO owns iconic properties including UFC, the world’s premier mixed martial arts organization; WWE, the global leader in sports entertainment; and PBR, the world’s premier bull riding organization. Together, these properties reach 1 billion households across 210 countries and territories and organize more than 500 live events year-round, attracting more than three million fans. TKO also services and partners with major sports rights holders through IMG, an industry-leading global sports marketing agency; and On Location, a global leader in premium experiential hospitality.