Corbin's fantasy baseball starting pitcher breakouts, risers, and sleepers for Week 19 of 2025 displaying changes in their pitch mix, movement, and velocity.

Welcome back, RotoBallers, to another column that's part of my " Starting Pitcher Arsenal Changes " article series for Week 19 of the 2025 fantasy baseball season. We're diving deep into the arsenals of one veteran remaking himself and a young arm coming around. Today's article will discuss two starting pitchers who made actionable adjustments, such as a release point change or a new pitch, as well as location changes, and whether these adjustments will matter moving forward.

For those new to this column, we cover a few starting pitchers and their arsenal changes via pitch mix, velocity, and movement each week. Since it's early,

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