Notice the difference between the pitcher's hand(s) locations in relation to their stride.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/48046632@N07">Mike LaChance</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/mjl816/4452201620/">Where's the hand?</a>