Yes, all of the MLB radio broadcasts are doing it now... it's so annoying. I hear it in my area on Red Sox, Yankees and Mets broadcasts. Plus we can hear all 30 of the MLB teams' broadcasts on Sirius/XM.
The Yankees broadcasts are still BY FAR the worst, as far as numerous sponsors and ads though! Gotta pay A-Fraud's salary, after all... ;-)
Research question.
If you tune into or go to a weekday Yankees or mets game. They don’t do seventh inning song do they?