Andrew Miller is a former American professional baseball pitcher who played for several teams in Major League Baseball (MLB) during his career. He was born on May 21, 1985, in Gainesville, Florida, and attended the University of North Carolina at Chapel Hill, where he played college baseball for the Tar Heels.

Miller was drafted by the Detroit Tigers in the first round of the 2006 MLB draft and made his debut in the majors in 2007. He played for the Tigers until 2010, when he was traded to the Florida Marlins. He played for the Marlins for one season before being traded to the Boston Red Sox in 2011.

Miller had a breakout season with the Red Sox in 2013, where he became a key member of the team's bullpen and helped them win the World Series that year. He continued to play for the Red Sox until 2014, when he was traded to the Baltimore Orioles.

In 2015, Miller was traded to the New York Yankees, where he had another standout season as a relief pitcher. He was named to the American League All-Star team that year and helped the Yankees reach the playoffs. Miller continued to play for the Yankees until 2016, when he was traded to the Cleveland Indians.

Miller had a successful stint with the Indians, where he became one of the best relief pitchers in the league. He helped the team reach the World Series in 2016 and was named the Most Valuable Player of the American League Championship Series that year. Miller continued to play for the Indians until 2018, when he was traded to the St. Louis Cardinals.

Miller played for the Cardinals for one season before becoming a free agent in 2019. He signed with the Milwaukee Brewers that year and played for them until 2020, when he was traded to the Toronto Blue Jays. Miller became a free agent again after the 2020 season and announced his retirement from baseball in 2021.

Throughout his career, Miller was known for his dominant pitching and his ability to pitch in high-pressure situations. He was a two-time All-Star and won the American League Championship Series Most Valuable Player Award in 2016. Miller finished his career with a record of 49-38, 3.98 ERA, and 853 strikeouts in 748 innings pitched.