How many types of pitches are there?

There are several different types of pitches.
-Fastball
-Curveball
-Slider
-Changeup
-Knuckle
These are the main different pitches, however, depending on the release of the ball and the particular arm action you can get different results such as:
-Slurve
-Screwball
Then there are different pitches just simply by the grip, but have similar but different results, some examples:
- 2 seam fastball
- 4 seam fastball
- cut fastball
- circle changup
- 3 finger changup
- 12/6 curve
- backdoor or backup curve * it is just a curveball that starts outside on a hitter that bats opposite of your throwing hand and then breaks to the outside corner









Fastballs
1) 4-Seam Fastball
2) 2-Seam Fastball
3) Sinker
4) Cutter
5) Running Fastball (opposite of cutter)
6) Splitter
7) Forkball
8) Shuuto
9) Gyroball
Off-Speed
10) Change-up (2-finger change-up)
11) Circle Change-up
12) 3-Finger Change-up
13) Palmball (4-finger change-up)
14) Vulcan Change-up(slow splitter)
Breaking Balls
15) Curveball
16) Slider
17) 12-6 Curve
18) Slurve
19) Sweeping Curveball(2-8 Curveball 10-4 for lefties)
20) Knuckle Curveball
21) Spiked Curveball (similar to the knuckle curve)
22) Yellow hammer(slow 12-6 not quite an eephus)
23) Screwball
24) Knuckle Slider
25) Straight Curve (1-7 Curveball 11-5 for lefties)

26) Beginner's Curveball (beginner)
27) Football Slider (beginner)
Junk
28) Knuckleball
29) Eephus
30) Chopball
31) 4 Shake Ball (Fork with knuckles up)
32) 2 Shake Ball (splitter with knuckles up)