Jorge De La Rosa, a left-handed pitcher from Monterrey, Mexico, spent a substantial portion of his Major League Baseball career with the Colorado Rockies. His journey in the major leagues began when he was signed by the Arizona Diamondbacks as an amateur free agent in 1998. However, it wasn't until he was traded to the Boston Red Sox and then to the Milwaukee Brewers that he made his MLB debut in 2004.

De La Rosa's early years in the majors were marked by frequent transitions. After his debut with the Brewers, he was traded to the Kansas City Royals in 2006. During his time with the Royals, he showed flashes of potential but struggled with consistency, a common challenge for many young pitchers. In 2008, he was traded to the Colorado Rockies, a move that would define the bulk of his career.

With the Rockies, De La Rosa found a more stable footing. He became an integral part of their starting rotation and developed a reputation for his ability to pitch effectively at Coors Field, a venue notorious for being hitter-friendly due to its high altitude. His pitching arsenal, which included a fastball, slider, and changeup, allowed him to adapt and succeed in such challenging conditions.

One of De La Rosa's standout seasons came in 2009 when he recorded 16 wins, helping the Rockies secure a spot in the postseason. His performance that year was a testament to his growth as a pitcher, as he managed to strike out 193 batters over 185 innings. Injuries, however, were a recurring theme in his career. In 2011, he underwent Tommy John surgery, which sidelined him for the remainder of the season and much of 2012.

Despite these setbacks, De La Rosa returned to form and continued to be a reliable starter for the Rockies. In 2013, he posted a 16-6 record with a 3.49 ERA, further solidifying his role as a key component of the Rockies' pitching staff. His ability to bounce back from injuries and maintain his performance level was commendable.

Throughout his tenure with the Rockies, De La Rosa became the franchise's all-time leader in several pitching categories, including wins and strikeouts. His longevity and performance in Colorado made him a fan favorite and a respected figure in the clubhouse.

In the later stages of his career, De La Rosa transitioned to a bullpen role. He signed with the Arizona Diamondbacks in 2017, where he continued to contribute as a reliever. His experience and veteran presence were valuable assets to the teams he played for, even as his role evolved.