Legendary baseball broadcaster Bob Costas is retiring from MLB play-by-play duties after four-plus decades, as first reported by The Athletic. Costas will discuss the news and his play-by-play career on Monday’s MLB Tonight at 6 p.

Bob Costas has called his last baseball game. Costas, 72, confirmed to The Athletic that he's retiring from MLB play-by-play broadcasting, a decision the Emmy award-winning sportscaster said he will expand upon at a later date. He last called the American ...