KEY POINTS
  • Amazon's bid includes the New York-based YES Network, which is partly owned by Yankee Global Enterprises.
  • Apollo Global Management, KKR, Blackstone, Sinclair Broadcast and Tegna are also making first-round bids for the regional networks, sources tell CNBC.
  • Fox, which was seen as a front-runner to acquire back the channels it recently sold to Disney, did not enter a first-round bid.

Amazon is bidding for all of the 22 regional sports TV networks that Disney acquired from Twenty-First Century Fox.

The e-commerce giant's bid includes the New York-based YES Network, sources familiar with the matter told CNBC. It is bidding for the New York network along with an unknown sovereign wealth fund and the Yankees, the sources said. YES may be sold separately from the other networks.