I know, that's what I would have thought too, that's why I tried it. But then after practicing my new pitch, I went to a ball with my original pitch and it felt so good. I actually got pain in my thumb for 2 days after throwing the newly pitched balls. Doesn't make sense, but like someone on here said, it's whatever feels comfortable. My span has been checked regularly, I shortened it a couple years ago by 1/8", that's been money.
There's area on the back of my thumb, I see people put colored tape over it to help get out of the hole, and that is an area that helps be hang onto my ball. On occassion, that part of my thumb will develop a blister, but only after a lot of games and being humid out.
I guess if it don't hurt, don't fix it.
Chris Orgeman Get MOTIVated and Bowl Up A Storm!