Bangladesh, March 17 -- Daniel Kinahan, a notorious figure in international crime circles, has long been linked to professional boxing through his management company, MTK Global. However, new allegations emerging from a lawsuit filed in California have further exposed the depth of Kinahans entanglement with the sport. Former Top Rank agent William (Billy) Keane has accused the global boxing promotion company of secretly striking a multi-million dollar deal with Kinahan, paying him “under the table” to serve as an exclusive consultant outside the United States.

Keanes lawsuit, which seeks over $25 million in unpaid fees, claims that Kinahan played a pivotal role in securing a lucrative deal for heavyweight world champion Tyson...