Anthony Joshua will fight Kristian Prenga this summer, it has been announced, as “AJ” builds to a long-awaited showdown with Tyson Fury . Joshua will box Prenga in Riyadh, Saudi Arabia , on 25 July, it was confirmed on Monday. A press release from Matchroom made no direct reference to Fury, but a quote from “AJ” did refer to their recent exchange in London. “It’s no secret I’ve taken some time to consolidate and rebuild to be ready for stepping back into the ring,” Joshua said on Monday, “and today is the next step on that journey. I’m delighted to have agreed a multi-fight deal starting with July 25th in the kingdom of Saudi Arabia. I’m looking forward to competing and picking up where I left off. As I said: The landlord will collect his rent.…