Bob Costas is a broadcaster / host, currently with WB Discovery Sports, (HBO & TBS), and MLB Network where he does play-by-play and hosts an interview show called Studio 42 with Bob Costas. Bob is most 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 12 Olympic Games from 1988 until 2016.