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There wasn't much that happened in the baseball world yesterday, so this is going to be a short Tank. Jeff Keppinger was one of the biggest news stories of the day, so that should tell you something.

• Tim Beckham and Hak-Ju Lee have been given Spring Training invites, so they'll be playing in major league games and workouts at the beginning of camp. This doesn't mean they actually have a chance at winning a major league bench spot, but it does means we'll get to see a bit more of them than we would otherwise.
• Baseball Prospectus 2012 is finally available for purchase, and I heartily recommend it. If you're looking for a preseason baseball fix, this is one of the best preseason publications out there.
• In the aftermath of the Prince Fielder signing, Dave Cameron wrote up a refresher course on the win curve and how it should affect teams' strategies. In short, this helps understand the Tigers' actions somewhat...but they're still crazy.
• I missed this earlier in the week, but David Eckstein is contemplating retirement. Am I the only one that can't think of David Eckstein without also thinking of Fire Joe Morgan? I wrote up something on Eck's career over at FanGraphs, and I highlighted the fact that I think saberists gave Eck too much grief back in the day.
• Speaking of Eckstein, Larry Granillo has a post up at BPro looking at how certain ballplayers grew (and shrunk!) over the course of their careers. Really funny stuff, and I love how he then compared the players to NBA players. If nothing else, it puts Eckstein's 5'7" height into perspective.
• If you didn't see it already, Whelk made a great Excel tool for everyone: a regressed splits calculator. If you love playing around with data, this should keep you busy for a while.