Coach Eric Valenzuela invested $1,350 into technology to study college hitters and determine whether he might start shifting his infield at tiny Saint Mary's College. ''The investment is basically like a piece of equipment,'' said Valenzuela, who uses data from Diamond Charts as he looks for even the slightest edge. If you don't have them, your opponents are going to.'' As the use of defensive shifts by major league clubs has increased in the last five years, college teams have taken notice. ''Trying to gain an edge in any way is smart,'' said Elliott Strankman, a Bay Area-based amateur scout for the Minnesota Twins. More...