Joey Pollizze deep dives into four fantasy baseball starting pitchers to decide if their surprisingly good form merits a roster spot or staying on the waiver wire for Week 19 (2025).

Welcome, RotoBallers, to our weekly unlikely aces piece. Every week of the fantasy season, we identify whether emerging pitchers are for real or not. We will dive into their recent numbers and determine if these emerging pitchers are worth a roster spot.

In this article, we will look at whether Michael Wacha , Jack Leiter , Lucas Giolito , and Will Warren are worth grabbing in Week 19 of the fantasy baseball season. These four pitchers continue to see their rostership climb in all formats.

So, should fantasy managers pick up Wacha, Leiter, Giolito, and Warren in fantasy? Are these unlikely aces wort

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