Bob Costas retires from MLB play-by-play duties after 4-plus decades - The Athletic The New York TimesSportscaster Bob Costas, 72, retires from MLB play-by-play broadcasting USA TODAYBob Costas retiring from MLB play-by-play after 44 years New York Post Bob Costas to Retire From Baseball Play-by-Play Announcing After 44-Year Career Sports Illustrated
