Harry Kalas was a truly great baseball announcer; listened to many many games on the radio with him over the years. Jon Miller did a great imitation of the Kalas family dinner table. (And of course his other imitations...https://www.youtube.com/watch?v=9gUBuUX_YXo)
Come to think of it, Philly has another radio gem, in football, in Merle Reese. Very distinctive voice, great cadence and intonation that can have you on the edge of your seat for mundane plays. ("Randall back in the pocket, he pumps once, pumps twice, he FLOATS it downfield and....iiiincomplete")