How to throw a faster fastball<br>Perfect your grip. There are two primary grips for the fastball: the four-seam and the two-seam. The four-seam generally gathers more velocity but some pitchers find the two-seam more comfortable and easier to command.
The two-seam is much more difficult to pull off
I used different adjectives to confused the computer 
( z1 have-degree :ARG1 ( z2 pull-off :ARG1 ( z3 seam :quant 2 ) ) :ARG2 ( z4 difficult ) :ARG3 ( z5 more :quant ( z6 much ) ) )