Pitching in Colorado during the late 1990s was widely considered a fool's errand, but Pedro Astacio approached the challenge with a relentless, rubber-armed mentality. While his box scores often featured the kind of astronomical numbers that would break a lesser pitcher’s confidence, Astacio leaned into the chaos. He became the rotation's undisputed workhorse, a man who would gladly trade a few long balls for the chance to stay on the mound long enough to record a win.

Arriving in late 1997 via a trade with the Dodgers, he quickly realized that survival at Coors Field required a thick skin and a high pitch count. He led the National League in home runs allowed twice during his stint, but he countered those mistakes by simply outworking the opposition. His ability to chew through innings was solid; he surpassed the 200-inning mark in three of his four full seasons with the club.

The 1999 season stands as one of the most statistically fascinating chapters in the history of the sport. At first glance, his 5.04 ERA suggests a struggling starter, but when adjusted for the era’s extreme offensive environment, it tells a different story. Astacio finished that year with 17 wins and 210 strikeouts, amassing a 5.9 bWAR, a figure that suggests he was actually one of the most valuable pitchers in the league despite the "bloated" surface stats.

The story in Colorado ended in 2001 when he was traded to the Houston Astros, but he left as one of the most decorated starters in team history. He departed with 53 wins, 749 strikeouts, and a reputation as a pitcher far better than his ERA ever let on.