Will Warren has a difficult outing as the New York Yankees deal with rotation uncertainty. Across reports, the central point is that Warren does not perform well enough to keep the team’s plan intact, and this contributes to the need for a pitching change during the game. The articles note that a reliever is expected to be used—implying that someone will go to the bullpen—and that Warren’s performance on Wednesday night helps trigger that outcome. The coverage emphasizes the broader context of uncertainty around the Yankees’ pitching rotation, suggesting that starters’ roles and availability are under review or subject to change. While the reports focus on Warren’s struggles and the resulting bullpen move, they do not provide extensive detail beyond that characterization. Overall, the sources align that Warren’s outing falls short, and the Yankees respond by turning to bullpen pitching as part of managing their rotation situation.