Robert Quinlan Costas is an American sportscaster who is known for his long tenure with NBC Sports, from 1980 through 2019. He has received 28 Emmy awards for his work and was the prime-time host of 11 Olympic Games from 1992 until 2016. He is employed by MLB Network, where he does play-by-play and once hosted an interview show called Studio 42 with Bob Costas.