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Over the summer, Stewart was known almost exclusively for his otherworldly curveball, which was a 70-grade offering at the time and routinely registered spin rates above 3,000 revolutions per minute. Stewart's curveball was so impressive, in fact, that TrackMan honored the righthander at the Perfect Game All-America Classic in San Diego and said his breaking ball was among the most impressive pitches the company has ever tracked, at any level. At 6-foot-6 and 200 pounds, that performance alone was impressive. But this spring Stewart took a step forward, improving a fastball that once sat in the upper 80s to low 90s and has now reached 97-98 mph multiple times this spring, giving Stewart a chance at potentially two 70-grade pitches. On top of the stuff, Stewart brings impressive athleticism to the table and a good feel for the strike zone. Scouts have been impressed with how consistently Stewart is able to land his sweeping, low-80s breaker for a strike, especially considering the massive depth the pitch possesses. Stewart has also shown the ability to manipulate the offering depending on the situation. That sort of feel leaves some scouts projecting a changeup that could be at least average down the line. Stewart has thrown a changeup at times, but given his other offerings, he hasn't needed to use a third pitch enough to give scouts much of a feel for it. An impressive golfer as well, Stewart could have a collegiate future on the links, but his skill on the mound should prevent him from ever reaching Mississippi State's campus in the first place.