Cat Osterman, NCAA all time leader for strikeouts per 7 innings in Women’s softball, and 2004 Summer Olympics athlete, gives a how to on finger placement when pitching the ball. “”Its not necessarily where, the biggest thing is whatever pressure fingers you are using, I use my index finger a lot of pitchers like to use their middle finger. But whatever finger you are using, you want to put it on the seam somewhere. I get more kids that this is my rise-ball, or in the middle of the horse-shoe, and I’m like what seam are you driving on? Because driving on the seam, is going to get your seams spinning the way you want them to. Obviously, you want your seams spinning because the seams catch air, and then the ball moves.””
