Bob Costas is stepping down from his role as prime-time host of NBC’s Olympics coverage, where he will be replaced next winter in South Korea by Mike Tirico.
Tirico was considered the heir apparent for the role since he was hired by NBC from ESPN last year. Costas said it was his choice to leave and although the decision denies him a victory lap in Pyeongchang in 2018, his most recent Winter Olympics memory may not be that pleasant. In Sochi, Russia, in 2014, Costas was sidelined for six days because of an eye infection.
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