Pierzynski took a step toward Justin Morneau's foot, which was properly located on the edge of the infield side of first base.Morneau felt enough of a pinch from Pierzynski's cleats to glare at A.J. all the way into the White Sox dugout.Then, Morneau and several other Twins -- located in their dugout -- yelled unpleasantries at Pierzynski as he took his place behind the plate.