December 9, 2014: Rob McGlarry has been named president at MLB Network.
He had been executive vice president there. (TVNewser)
August 23, 2011: Sam Ryan has been named host and reporter at MLB Network.
She had been sports anchor at WCBS-TV in New York. (TVSpy)
February 1, 2010: Matt Yallof has been named anchor and reporter at MLB Network.
He had been pre-game and post-game host for the New York Mets at SportsNet New York. (release)
February 4, 2009: Bob Costas has been named host and commentator at MLB Network.
He had been commentator at HBO Sports. (HuffPo)