Bob Costas

TV personality Bob Costas, left, and drag racer Antron Brown attend the 28th annual Great Sports Legends Dinner in September. (Bryan Bedder / September 30, 2013)

Bob Costas will serve as host for NBC's prime-time and late-night coverage of the 2014 Sochi Winter Olympic Games.

Costas has been prime-time host for every NBC-covered Olympic Games since 1992, including the 2012 London Games, which was the most-watched TV event in U.S. history with more than 217 million viewers.

With his 2014 assignment, Costas becomes U.S. television's first 10-time Olympic prime-time host. Jim McKay hosted the Olympics eight times for ABC.

This will be the second time that Costas has hosted both the prime-time and late-night Olympic coverage.

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