GIF: Jacob deGrom Hair Simulator
David G. Temple is the Managing Editor of TechGraphs and a contributor to FanGraphs, NotGraphs and The Hardball Times. He hosts the award-eligible podcast Stealing Home. Dayn Perry once called him a "Bible Made of Lasers." Follow him on Twitter @davidgtemple.
why does the button on his hat grow?
obviously some sort of outlet valve.
All that hair pushes it up.