Some surprising names rank among the Last 31 Day leaderboards.

This week we use the site's Leading Indicators reports as a jumping off point for some speculative analysis.

A pitcher's first-pitch strike rate is closely correlated with the level of walks he issues. Let's take a closer look.

Many pitchers are trying to learn new pitches to stay one step ahead of the game. Are there certain pitch types that are more beneficial than others in helping keep runners off base?

Which slow starters should you be looking to cut bait on right now, before they do further damage?

Following up from last week, we correlate measures of pitch accuracy and swing-outcome data, and correlate them with ERA and Dom. We also combine fastball velocity with second metrics to see if we could improve the correlative connections.

The TV guys tell us the speed of every pitch. But how much does it really matter?

It's buy-low/sell-high season—or is it? Here are some ideas for turning that cliche on its head

We know teams with more wins get more saves. But quality of closers could affect the situation.

This week, we look at a collection of players who are showing sparks of value in part-time April play, that might burst into full-blown flames in May.

Combining home and away park factors into a single composite measure (and looking at opposition quality) could help with roster and matchup management.