(Reuters) -Comcast-owned NBCUniversal plans to add its regional sports channels to its Peacock streaming service as soon as early 2025, the Wall Street Journal reported on Wednesday, citing people familiar with the plans.

The four NBC Sports networks that will be added have local broadcast rights in Boston, Philadelphia and across Northern California, including to games for high-profile teams such as the Golden State Warriors, Celtics and Phillies, the report said.

The games will still be available on television, according to WSJ.

NBCUniversal is still completing details of the plan and the rollout could be delayed. One option executives are discussing is to make the channels available as add-ons in the local markets so that fans there can pay extra to stream games, WSJ reported.

NBCUniversal declined comment on the report when contacted by Reuters.

In July, NBCUniversal, along with Amazon and Walt Disney's ESPN, clinched the rights to carry NBA games in an 11-year deal valued at $77 billion.

(Reporting by Juby Babu in Mexico City; Editing by Alan Barona)