Luis Guerrero

Luis Guerrero, born on August 5, 2000, in Bani, Dominican Republic, is a professional Major League Baseball player known for his role as a relief pitcher. He bats and throws right-handed and is recognized for his impressive pitching abilities. Guerrero began his MLB career with the Boston Red Sox, making his debut on September 8, 2024. His jersey number is 99. Guerrero's college career took place at Chipola Junior College, and he was drafted by the Boston Red Sox in 2021. Throughout his time with the Red Sox, Guerrero has shown a strong presence on the mound, highlighted by his ability to maintain a low opponent batting average (OBA) and a competitive earned run average (ERA). In the 2024 season, he achieved an ERA of 0.0 over 10 innings pitched in the regular season, reflecting his effectiveness in preventing runs. In 2025, Guerrero continued to build on his previous performance. During the preseason, he recorded a WHIP of 0.9474 and showed excellent control with a K9 (strikeouts per nine innings) of 8.523. His ability to control the game is further demonstrated by a low walk rate and his capability to induce ground balls effectively. Luis Guerrero's pitching style is characterized by a mix of fastballs and off-speed pitches, with a notable emphasis on his slider and changeup, which have been instrumental in his success. His career continues to be one to watch as he develops his skills in the MLB.