https://www.cnet.com/news/t-mobile-pitches-baseball-fans-a-free-year-of-mlb-tv/

The subscription, the All Teams plan, includes hundreds of out-of-market baseball games and would regularly cost almost $120. You cn use All Teams on up to 10 supported devices like smartphones, Android TV, Apple TV, Chromecast, Fire TV, Roku, Samsung smart TVs, PlayStation 4 and Xbox One.

T-Mobile subscribers can get this deal and others by using the T-Mobile Tuesdays app or website between Tuesday and April 1. T-Mobile's Digits, pay per day, pay as you go, data-only and voice-only plans aren't eligible.