After his July 25 trade from the Oakland A's to the St. Louis Cardinals, Matt Holliday is a slugger again. Why is this? Was he in offensive purgatory at Oakland's McAfee Coliseum? Does he prefer the National League (and well he should)? But why did the A's acquire him and then trade him away within a few months...was he walking around the clubhouse there in the doldrums? These are the mysteries we ponder.