TNT isn't about to lose its media rights deal with the NBA without a fight ... it just sued the basketball org. -- claiming it has a "contractual right" to continue to broadcast its games going forward.
The media company -- whose parent organization is Warner Bros. Discovery -- filed the lawsuit in New York on Friday ... just days after Adam Silver revealed the NBA is moving on with Amazon Prime Video.
![Adam Silver Through The Years](https://imagez.tmz.com/image/27/4by3/2024/05/24/2716463fee0448c39e0184a13408d3b2_md.jpg)
In their suit, TNT officials claim the NBA legally cannot accept Amazon's deal -- as they say they matched the offer to a T.