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Sean Sullivan to Attend Big-League Camp
Colorado Rockies left-handed pitching prospect Sean Sullivan will attend MLB spring training. Sullivan is one of the top budding arms in the Colorado system and now has a path to make his MLB debut later in 2026. The southpaw is currently ranked as the team's No. 12 prospect on MLB.com. The former second-round selection out of Wake Forest spent the majority of his 2025 campaign with Double-A Hartford. Across 97 1/3 innings, the southpaw posted a strong 3.14 ERA with a 1.09 WHIP. While he only struck out 95 hitters, he continued to keep his ratios low. In 2024, Sullivan carried a similar 2.11 ERA with a 0.91 WHIP across 115 1/3 innings split between Low-A and High-A. If he turns in a productive camp, managers should expect the left-hander to be in the mix for a first-half MLB debut.
Source: MLB Pipeline
Source: MLB Pipeline
