Yelich was converted from an infielder to an outfielder, and that switch was at the top of his agenda when he played that season for the Grasshoppers.
"That's where I made a lot of mistakes and learned the position for the first time," Yelich said.
Yelich parlayed those lessons into a National League Gold Glove Award in 2014.
Bob Sutton is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.