Jhoulys Chacin is a Venezuelan professional baseball pitcher who has played for several teams in Major League Baseball (MLB) throughout his career. He made his MLB debut in 2009 with the Colorado Rockies and has since played for the Milwaukee Brewers, Los Angeles Angels, San Diego Padres, Atlanta Braves, and Toronto Blue Jays.

Chacin is known for his versatility as a pitcher, having started games and also served as a relief pitcher. He has a career record of 78-87 with an earned run average (ERA) of 4.04 and 1,068 strikeouts. Chacin has also been recognized for his strong performances, earning the National League Pitcher of the Month award in April 2013 while playing for the Rockies.

Throughout his career, Chacin has faced some challenges, including injuries that have limited his playing time. In 2015, he underwent shoulder surgery and missed the entire season. However, he bounced back in 2016 with a strong season for the Padres, posting a 4.81 ERA and 119 strikeouts in 144 innings pitched.

Chacin has also had success in the postseason, helping the Brewers reach the National League Championship Series in 2018. He pitched in three games during the playoffs, including a crucial win in Game 3 of the NLCS against the Los Angeles Dodgers.

Despite his ups and downs, Chacin has remained a valuable player throughout his career. He has been praised for his work ethic and dedication to the game, and has been a positive influence on his teammates. In addition to his on-field contributions, Chacin has also been involved in charitable work, including supporting children's hospitals in both the United States and Venezuela.

As of 2021, Chacin is a free agent and it is unclear where he will play next. However, his career has been marked by resilience and perseverance, and he has proven himself to be a reliable and talented pitcher throughout his time in the MLB.