Dave Cameron on the value of depth, or how to minimize risk while adding wins. Of course, there is the difficulty of knowing whether a player whose production falls in the right-tail of the distribution is relying on luck versus skill, which makes the manager's decision difficult.
The Olympia Olympian has an interview with Mariners' head statistical analyst Tony Blengino. He discusses the free agent market and player valuation.
Tommy Rancel has an interview with new Rays' Director of Pro Scouting Matt Arnold. He discusses, among other things, how his economics background influences his scouting.
San Antonio College's The Ranger has an interview with economics professor and BtB alum Cyril Morong. He discusses what got him interested in sabermetrics. You can, of course, find his blog here.
Sky Andrecheck has a column at Sports Illustrated on why the free agent valuation system is an effective tax on Type A free agents. That'll teach those relievers not to rack up meaningless saves.