Longtime NBC Olympics host

• Longtime Olympics TV host
• "Football Night in America" host
• Bob of play-by-play
• Bob whose pinkeye made Olympic headlines
• Bob of broadcasting
• Bob of NBC sports
• NBC sportscaster Bob
• Bob of "Football Night in America"
• Multi-Emmy-winning NBC sportscaster

Wikipedia Word definitions in Wikipedia
Costas or Kostas is a Greek name. As a given name it is the hypocorism for Konstantinos ( Constantine ).