I think Amazon, Facebook and Twitter are way more interested in exclusive streaming rights for sports than Netflix is. Netflix is all about diversity of content ala HBO circa late 80s. Facebook and Twitter want it because it drives up engagement on their platform since so much viewing happens as a secondary thing via social.
Amazon would only want it just to further dominate in that space
Yeah, on Amazon's list for complete global saturation, professional wrasslin has to be pretty damn low on the totem pole. Now if they suddenly get infrastructure in place for live streaming, well then...