Sean Burnett, a left-handed pitcher, made his presence felt in Major League Baseball primarily as a relief pitcher. Born on September 17, 1982, in Dunedin, Florida, Burnett's journey to the majors began when he was drafted by the Pittsburgh Pirates in the first round of the 2000 MLB Draft. His early career was marked by promise, as he quickly ascended through the minor league ranks, showcasing his skills on the mound.

Burnett debuted in the major leagues with the Pittsburgh Pirates in 2004. His rookie season showed potential, but it was also a period of adjustment as he faced the challenges of competing at the highest level. Unfortunately, his progress was interrupted by injuries, which led to him missing the entire 2005 and 2006 seasons due to Tommy John surgery. This setback was significant, but Burnett worked diligently to return to form.

After recovering, Burnett rejoined the Pirates in 2008, transitioning from a starting pitcher to a relief role. This change proved beneficial, as he found a niche in the bullpen. His ability to handle left-handed hitters became a valuable asset, and he developed into a reliable option for late-inning situations. In 2009, Burnett was traded to the Washington Nationals, where he continued to refine his craft.

During his tenure with the Nationals, Burnett became an integral part of their bullpen. From 2009 to 2012, he consistently delivered solid performances, earning the trust of his managers and teammates. His time with the Nationals was highlighted by his role in the team's successful 2012 season, which saw them reach the postseason for the first time since the franchise relocated to Washington, D.C.

In 2013, Burnett signed with the Los Angeles Angels, continuing his career in the American League. However, injuries once again plagued his career, limiting his appearances and effectiveness on the mound. Despite these challenges, he persevered, making brief appearances with the Angels and later the Washington Nationals in 2016.

Throughout his career, Burnett was known for his ability to induce ground balls and his effectiveness against left-handed batters. His pitching style relied on a mix of fastballs, sliders, and changeups, which kept hitters off balance. While injuries curtailed some of his potential, Burnett's determination to return to the field after each setback was evident.