Robert Quinlan Costas

Biography

Robert Quinlan Costas is an American sportscaster for MLB Network and NBC Sports. He is well known for his time with NBC Sports, where he worked from 1980 through 2019, and again since 2026. He has received 29 Emmy awards for his work and was the prime-time host of 12 Olympic Games from 1988 until 2016. He is also currently employed by Warner Bros. Discovery, where he is a political commentator for CNN.