ESPN, Fox, and Warner Bros. Team Up For Sports Streaming Service to Launch in Fall

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 FootballNFL | UFL
BasketballNBA | WNBA
BASEBALLMLB
HOCKEYNHL
COLLEGE SPORTSThousands 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
GolfPGA Tour | PGA Championship | The Masters | TGL
Grand Slam TennisWimbledon | US Open | Australian Open
CYCLINGGiro d’Italia | UCI Mountain Bike World Cup | Giro Donne
SoccerFIFA World Cup | U.S. SoccerNWSL | MLS | LALIGA | Bundesliga | UEFA | CONCACAF
Combat SportsUFC | Top Rank
AutoFormula 1 | NASCAR | 24 Hours of Le Mans