Nike Mercurial Vapor Chrome World Cup 2002 Soccer R9 Football Indoor Ronaldo 02 for Sale in Chicago, IL - OfferUp
Nike Youth Mercurial Vapor 13 Academy MDS IC Indoor Soccer Shoes 5Y Women's 6.5 | eBay
Nike Mercurial Vapor 13 Club Black AT7997-001 Soccer Indoor Turf Size 6.5 | eBay
I believe these are the mercurial r9 from 1998. I remember having a pair with the same colorway but without cleats. For indoor soccer I believe but can't find any info online.
Nike Mercurial Superfly 9 Club Indoor/Court Soccer Shoes. Nike.com
Nike celebrate 15 years of Mercurial and recreate the R9 boot
Nike Mercurial Vapor I Talaria Indoor TF R9 Ronaldo Blue Cleats Elite 7 8 40 8.5 | eBay