Athletics Nation.com (SBNation.com)

The original, and best baseball blog for Oakland A's fans, Athletics Nation was the first of the the SB Nation sites, which provide active baseball communities for every baseball, football, basketball, and hockey team fan out there, along with daily content about the specific team. Providing live game threads for each contest, you can't beat these blogs for baseball! Specially formatted with guidelines that keep the conversations in control and the content at an educated level, these blogs allow for as much baseball chat/making friends as possible in the baseball world.

MLB.com

The official site of Major League Baseball. We don't recommend the comment section, but as for content, it has everything you'd like to know about your favorite team. There are better baseball sites out there for crunching the numbers and reviewing the games, but if you want the latest Audio, Video, TV, and official content, this is the place.

Baseball Prospectus

BP is an online subscription site to the very best in sabermetrics; advanced baseball statistics out there. A must for any serious baseball fan, or fantasy baseball player.