Shagging describes the act of catching fly balls in the outfield when not involved in actual baseball games. Pitchers may do this during batting practice before games. In the Major League Baseball Home Run Derby, children are recruited as shaggers in order to field balls that do not go out as a home run. Also, during batting practice anywhere, "shagging balls" describes the act of catching and gathering up balls that are thrown back to the pitching area, usually by a player standing near the pitcher.