We have the data model—time to collect video evidence.

Pitchers going on the DL cost teams wins—and hundreds of millions of dollars per year. Can we stop this destructive trend?

The freak’s velocity keeps dropping—what gives?

The changes may have hurt more than they helped.

Which look to make a solid impact—and which were head-scratching picks?

A look at the posterior shoulder

His velocity has been diminishing since his trade to Cleveland. Is it a mechanical issue?

Mark Appel is a leading candidate to go first in the draft to the Astros in 2012. But is the big righty the choice to make?

Can Andrew McNally get a second look at professional baseball?

Are there clear patterns that tell us where fastball velocity comes from?