Netflix boasts impressive ad sales growth, but some industry insiders remain skeptical about the audience. Meanwhile, Fubo's legal victory may have given Venu an easy way to bail on the ill-conceived service.

Incremental reach will be a hot topic during upfronts, and one recent iSpot study found some encouraging signs there for Fubo.

YouTube’s pricing around NFL Sunday Ticket is a savvy bet that fans will sign up, even if it means completely changing TV providers.