Riff Raff Challenges Tekashi 6ix9ine To A Boxing Match American rapper, Riff Raff challenges Tekashi 6ix9ine to a $2 million boxing match. The 39-year-old Texas-born rapper posted a video of himself training in a boxing ring, in the caption he made the challenge. In the caption, the rapper said; "Hello, @6ix9ine I see that you like to attempt to start fights with real … [Read more...] about Riff Raff Challenges Tekashi 6ix9ine To A Boxing Match