This article references Chris Archer, Edwin Jackson, Ervin Santana, Homer Bailey, mark buehrle, Masahiro Tanaka, Ricky Nolasco, Ryan Vogelsong, Tyson Ross, Ubaldo Jimenez and more! Watch Out For Pyrite When Mining For GoldThis is the fourth in a series of articles in which we will evaluate potential fantasy baseball sleepers or slumpers by looking at deeper statistics and advanced sabermetrics. Today we are going to try and project four pitchers that should see decreased production in any or all pitching categories, leading to more losses for their fantasy owners. Most, if not all of these pitchers are household names and are heavily owned in all leagues.  If you ow[...] Keep on reading: Fantasy Baseball Pitchers Due For Regression In the 2nd Half