Former unified heavyweight champion Anthony Joshua is set to face Kristian Prenga in a tuneup fight tomorrow night in Riyadh. The bout comes as Joshua prepares for a planned showdown with Tyson Fury later this year. Both fighters stepped on the scale for the official weigh-in ahead of the Saturday night event. Joshua, a former Olympic gold medalist, has been out of the ring since his last fight and is using this matchup to stay active before a potential blockbuster with Fury. Prenga, a regional contender, is expected to provide a tough test but is seen as a step down from elite competition. The fight will take place in Riyadh, Saudi Arabia, marking another major boxing event in the region. Joshua's promoter has called the fight a necessary warm-up for the heavyweight division's biggest potential clash. Fans are eager to see how Joshua performs after his layoff. The event also includes a full undercard with several other bouts. Joshua and Prenga had their final staredown after the weigh-in, which was broadcast live. The fight is scheduled for Saturday night local time.