The Principality Stadium in Cardiff "would be delighted" to stage the Anthony Joshua vs Tyson Fury super-fight, and a main event start time as late as 2am should be no problem.
Source: [Sky Sports](https://www.skysports.com/boxing/news/12040/13562263/tyson-fury-vs-anthony-joshua-could-the-heavyweight-super-fight-go-to-principality-stadium-2am-start-shouldnt-be-an-issue)