MLB Network

One of baseball's most expert commentators is leaving his home of 20 years, ESPN -- the place that made him a star.

Peter Gammons, an analyst best known for his clear, spot-on commentary of Major League Baseball players and trends, announced Tuesday that he is leaving the sports network for the MLB Network this week, according to a report at ESPN.com.

As anyone who follows sports on TV knows, Bob Costas is a baseball guy. He loves, loves, loves the National Pastime. Therefore, since NBC has not had major league baseball for years, it's been rough on Bob. He's managed to keep his love for the game alive with books and speeches and as part of his work for HBO. Well, now he's going to be doing a lot more baseball.

Bob Costas is upping his commitment to the MLB Network, and leaving HBO. When the new baseball channel launched on January 1, 2009, included in the charter line up All Time Games, the rebroadcasting of vintage baseball games with Costas as the host.