bartolo colon look how he flexes the leg when he goes to turn over and plant. Look at his hips and how they open up.
Look how he flexes leg then turns it over and gets the hips to open while staying closed.
look at the staying closed and tall and drive off a flexed back leg and how the hips open.
Lands Flexed then stiffens the leg but you just need to land flexed
points toe and stays closed
Look how he does it. The all flex the leg and point the toe. look how the hips open if you do Tall and Drvie pitching
look how he flexes back leg and front one as soon as he goes to plant and then throws with his whole body because his hips open up right before he lands
TIM LINCECUM does it too.
look at how he flexes both legs drives off the back one.
He lands flexed then hyperextens it but still is flexed when it hits
Points the toe at the target
They all have to same action with there legs/hips
Same as the others see a pattern with the front and back leg