The Opium rapper replaced NBA YoungBoy as Sunday night's (May 10) headliner. Ken Carson and Playboi Carti perform at Rolling Loud Orlando on May 10. Courtesy of Rolling Loud/Respective Collective Trending on Billboard When NBA YoungBoy announced he was dropping out of his headlining slot at Rolling Loud Orlando on Thursday (May 7), festival organizers were left scrambling. Artists like Rod Wave and YEAT were speculated to be floated, but RL ultimately settled on Ken Carson to close out Sunday night (May 10). Explore See latest videos, charts and news On its face, the decision made sense with fellow Opium titans Destroy Lonely and Playboi Carti performing on Saturday (May 9), so much of the label’s fanbase was already going to be on festival grounds for the weekend. Carson, whose More Chaos topped the Billboard 200 last year, continued his elevation by taking advantage of the real estate using his newfound headlining Rolling Loud set to kick-start The Xperiment era.…