A relaxed span will allow you to relax your hand and go through the approach. Your thumb should be tight, trust me, if it goes in it'll come out. Targeting has a lot to do with where your shoulders. How are you missing your target? Big thing about coaching is keep at it, you'll suck for a while and then when you pick it up you'll surpass where you were. However, make sure you keep your old span and pitches just in case you dont like it, you can always go back.