Carl Pavano, up until a recent injury, has been having a decent season. What’s up? Or, what’s in?

Johan Santana has (or had) a blister, and his pitching coach says it has affected his fastball. Checking that out with PITCHf/x seems easy enough, but therein lies the rub.

Sportvision has released April’s HITf/x data in advance of the 2009 PITCHf/x Summit. Here’s a first pass through the data.

A subtle shift in pitch locations has come with a bigger shift in results for Brad Lidge.

Not many pitchers work the outside edge on both left- and right-handed hitters. Some who do may want to reconsider.

Rich Hill’s journey from Chicago to Baltimore was a rough one, but his debut as Oriole yielded a satisfying but unspectacular win.

Milwaukee puts its rotation in line beyond a talented young man.

High ball swingers and low ball swingers—and those who swing at both. Or neither.

From the moot point department, a look at closers who moved into the rotation.

Should the Royals convert their closer to a starter?