Marash was host of ESPN 's '' Baseball Tonight '' and NBC 's '' GrandStand '' , which alternated as a National Football League pregame show or a sports anthology series , depending on the season . In the early years of the Fox television network , Marash hosted a magazine-style show of science and technology entitled '' Beyond Tomorrow '' . He then worked at ABC News . His last appearance prior to joining Al Jazeera English was on '' Nightline '' . He had anchored newscasts at WNBC in New York and WRC-TV in Washington , D.C. , during the mid-1980s . He received Emmy Awards for his '' Nightline '' coverage of the Oklahoma City bombing and for his coverage of the explosion of TWA Flight 800 . His May 2001 '' Nightline '' documentary about singer Eva Cassidy was one of the highlights of his years with the program
TWA Flight 800
TWA Flight 800
Dave Marash