The article says NBC and CBS aren't part of the group, but wouldn't surprise me if they get on board sometime in the future
https://cordcuttersnews.com/espn-fox-and-warner-bros-discovery-team-up-for-sports-streaming-service/
Here’s a list of what will be available on the service:
Pro Football | NFL | UFL |
Basketball | NBA | WNBA |
BASEBALL | MLB |
HOCKEY | NHL |
COLLEGE SPORTS | Thousands of games and events, multiple sports, across nearly two dozen conferences, including:ACC, Big 10, Big 12, Big East, SEC | 40 NCAA Championship Events |NCAA Men’s & Women’s Basketball Tournaments |The College Football Playoff |
Golf | PGA Tour | PGA Championship | The Masters | TGL |
Grand Slam Tennis | Wimbledon | US Open | Australian Open |
CYCLING | Giro d’Italia | UCI Mountain Bike World Cup | Giro Donne |
Soccer | FIFA World Cup | U.S. SoccerNWSL | MLS | LALIGA | Bundesliga | UEFA | CONCACAF |
Combat Sports | UFC | Top Rank |
Auto | Formula 1 | NASCAR | 24 Hours of Le Mans |