BRISTOL, Va. - The Appalachian League, like other rookie leagues, is often tabbed “developmental” to indicate the emphasis on players adapting to pro ball and making strides with their game to separate from the pack. One of the most impressive things about Travis MacGregor is how he’s embraced this developmental focus.

“The coaches preach fastball command so that’s always a focus," MacGregor said. "But this year, I feel like I need to make the changeup a better pitch. I need to get to where I’m locating that one better. It’s really those two things for me right now.”

In my viewing of MacGregor in Bristol against Pulaski on July 8, he demonstrated his fastball/changeup emphasis, giving up one earned run, on three hits, one walk, and five strikeouts. In the first, MacGregor’s command o...

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