Weekly Planner: Dallas Keuchel's slider makes him worthy of an add

Pirates (vs. Baltimore, vs. Washington) -- The Pirates' matchups with Baltimore aren't that bad, but they will be tested in their four-game series with the

The Astros' Dallas Keuchel has revamped his slider, which has increased his fantasy value :: Scott Halleran/Getty Images

Pirates (vs. Baltimore, vs. Washington) -- The Pirates' matchups with Baltimore aren't that bad, but they will be tested in their four-game series with the Nationals. Washington has to shuffle its rotation to account for the loss of Gio Gonzalez, but it will throw Jordan Zimmermann, Stephen Strasburg and Doug Fister over the weekend.