What are advantages/disadvantages 4 having the leg extend

whats better. to have a your leg extended in the air like koufax and marichal but not that high just regular. and then bringing it down in to your stride.

or having your leg extended while going into your stride like verlander.

http://www.youtube.com/watch?v=mbVQc2gYjFQ thats verlander

http://www.pitchingclips.com/players/juan_marichal.htm thats marichal

It’s all about feel and which one you can control. Which ever one feels comfortable to you, you should go with.