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  MLB.com

  The Official Site of Major League Baseball
  http://www.mlb.com

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  Baseball-Reference

  Up-to-date Major and Minor League Statistics for each player, team, and league in baseball history. Includes batting, pitching and fielding stats along with...
  http://www.baseball-reference.com

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  MLB Trade Rumors

  MLB Trade Rumors: a clearinghouse for legitimate baseball free agent and trade rumors.
  http://www.mlbtraderumors.com

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  Minor League Baseball

  The Official Site of Minor League Baseball
  http://www.milb.com

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  Fangraphs

  Baseball statistics for Major League baseball and Minor League baseball with statistical analysis, graphs, and projections
  http://www.fangraphs.com

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  Baseball Prospectus

  http://www.baseballprospectus.com

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  Baseball America

  http://www.baseballamerica.com

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  Baseball Almanac

  http://www.baseball-almanac.com

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  Baseball Hall of Fame

  http://www.baseballhall.org

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  D1Baseball.com

  http://www.d1baseball.com

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  The Baseball Cube

  http://www.thebaseballcube.com

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  BaseballHQ

  http://www.baseballhq.com

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  USABaseball

  http://www.usabaseball.com