Yadi, contract, and defensive value
Link
fangraphs.com
From fangraphs, a new way to measure catcher value. Yadi leads the way on pitch blocking value. Here's the short article: http://www.fangraphs.com/blogs/index.php/catcher-pitch-blocking-war-update/ Here's the list of leaders for 2008 to 2011 If Yadi did prevent 20 runs in 4 years, that's half a win per year right there. Matheny would be proud. Yadi learned from the best in 2004.
