1960s
On July 23, 1962, Major League Baseball had its first satellite telecast (via Telstar Communications). The telecast included portion of a contest between the Chicago Cubs vs. the Philadelphia Phillies from Wrigley Field with Jack Brickhouse commentating.
On July 17, 1964, a game out of Los Angeles between the Chicago Cubs and Los Angeles Dodgers contest became the first Pay TV baseball game. Basically, subscription television offered the cablecast to subscribers for money. The Dodgers beat the Cubs by the score of 3-2, with Don Drysdale collecting 10 strikeouts by the way.
On March 17, 1965, Jackie Robinson became the first black network (ABC) broadcaster for Major League Baseball. That year, ABC provided the first-ever nationwide baseball coverage with weekly Saturday broadcasts on a regional basis. Some time later, Bill White became the first black man to regularly do play-by-play work for Major League Baseball.
Read more about this topic: Baseball Broadcasting Firsts