Rafael Ortega is leading off—and running—for a Miami team that's playing out the string. We'll speculate on similar playing time experiments that you can capitalize on down the stretch.

Can Andrew McCutchen buy a home run? We use some skills filters to go speculating...

Our early-season look at pitch mix changes went great, so we're going back to it. Here are nine SP who've changed things up *during* the season.

Tyler Skaggs is having a career year; will he be able to pitch through the end? We speculate on this year's September shutdown candidates.

Is there really much of a difference between Jean Segura and Jurickson Profar? Not through Mayberry's eyes...

With the trade deadline looming, we'll speculate on who steps up once the top trade chips are dealt.

How are the 2018 rookies faring? We speculate on their future.

You won't see any of these guys near a first-half leaderboard, but they find a place on our speculative second-half team.

Did you know Carlos Martinez had a 1.62 ERA on May 8? Did you know how bad he's been since then? We speculate on some recent surgers and faders.

Brandon Nimmo is a recent surger who may have staying power. What other recent performances may foretell rest-of-season fates?

This week, we'll turn our attention to one of the more underutilized tools at BaseballHQ.com.