Overview

There are 3 basic styles of softball pitching:

1. Fast Pitch or Wind Mill
2. Slow Pitch or Arc Ball
3. Modified Pitch
 
The first two are very easy to differentiate. The issue gets more difficult as we move into Modified. Within Modified, there are 2 distinct styles recognized by the ASAand ISA:
1.  9-Man Modified
2. 10-Man Modified
 
9-Man Modified:
A variation of Wind Mill except you cannot make a full revolution (to be explained in detail later) and is commonly called Sling Shot. It is not uncommon for an experienced pitcher to throw the ball in excess of 65 mph, which equates to over 85 mph (reaction time for hitter) in baseball.
 
10-Man Modified:
Sometimes called True Modified, Original Modified, Bowling Style or incorrectly called B Style. It has many more restrictions on the delivery (as will be explained later). The fastest “legal” pitchers can throw the ball about 50-55 mph (which equates to about 65-72 mph in baseball).

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