Talks are believed to have taken place between Fury and Joshua's camps about an undisputed bout.
Limerick's Andy Lee says World heavyweight champion Tyson Fury will be match for either Deontay Wilder or Anthony Joshua, regardless of who he meets next.
Lee was in Fury's corner when he defeated Wilder back in February for the WBC belt.
Wilder is owed a rematch, but talks are believed to have taken place between Fury and Joshua's camps about an undisputed bout.
Joshua holds the IBF, WBA and WBO titles.
Lee says his man is the best fighter in boxing right now: