friday night baseball not appearing on apple tv app on smart TV

What is your model smart TV?

From the related article:

How to watch Friday Night Baseball

You can watch Friday Night Baseball in the Apple TV app on […] smart TVs […].

1. Open the Apple TV app.

2. Go to the Search tab.

➔ 3. Tap or click Apple TV+ Major League Baseball.

From here, you can start streaming a live game.