Fubo, an internet TV bundle akin to the traditional pay TV package, alleged in its lawsuit that Venu was anticompetitive and would upend its business. Fubo's stock gained 16% Friday on the news of the injunction.

"Today's ruling is a victory not only for Fubo but also for consumers. This decision will help ensure that consumers have access to a more competitive marketplace with multiple sports streaming options," said Fubo CEO David Gandler in a press release after the court decision.