22. Jhoulys Chacin

The career of Jhoulys Chacín in Colorado was a study in high-altitude survival, defined by a heavy sinker and a professional resilience that allowed him to bridge two very different eras of Rockies baseball. While his journey was often a tug-of-war with inconsistency and injury, the Venezuelan right-hander established himself as one of the most statistically significant hurlers to ever navigate the thin air of Coors Field. Whether he was acting as the young, frontline ace of the rotation or returning a decade later as a veteran presence in the bullpen, Chacín provided a steady-state reliability that often belied the difficulty of his environment.

Chacín’s initial stay in Denver began with a high-velocity entrance in 2009, but it was his 2010 rookie campaign that signaled the arrival of a major tactical force. He led all National League rookies in strikeouts that season, utilizing a specialized sinking fastball and a deceptive changeup to neutralize hitters. He possessed a rare ability to induce ground balls at a high-frequency rate, a craftsmanship that was essential for any pitcher looking to find sustained success at 5,280 feet. By 2011, he had evolved into the staff’s workhorse, logging 194 innings and proving that his poise was well beyond his years.

In 2013, while rebounding from a pectoral injury, Chacín authored one of the best individual pitching seasons in franchise history, finishing 14-10 with a 3.47 ERA. His value was underscored by a 5.8 bWAR, ranking him fifth among all National League pitchers. He served as the primary engine for a rotation that desperately needed a high-leverage anchor. He was a model of specialized durability, famously allowing only 11 home runs all season despite calling the most hitter-friendly park in the majors his home.

His presence was defined by a workmanlike approach that remained intact even as shoulder inflammation began to sap his velocity in 2014. After a six-year odyssey that saw him suit up for six different organizations, Chacín returned to the Rockies in 2021, but this time in a specialized relief role.

Chacín’s time in Colorado ended after the 2022 Season with 45 wins and 636 strikeouts.