How easy is to make that call at first base?
Perhaps not quite as easy as it's cracked up to be.

What do George Will's Men at Work and Karl Marx's Capital have in common?
Jonah Goldwater makes the case that to see baseball as a craft is to glorify the relationship between work and its motivation.

Mike Fast thinks sabermetrics at its best draws on the philosophy of Karl Popper.
He delves into the relationship between knowledge, models and verifiability. Popper, of course, is the 20th century's most influential philosopher of science.

Why don't Presidents throw more first strikes?
The answer is complex, historical, and more than a little metaphorical.

Downloading pitchF/X data directly into R.
It uses the XML package, which you may have to install separately.