Doug Fister is a former American professional baseball player who played as a pitcher in Major League Baseball (MLB) for nine seasons. He was born on February 4, 1984, in Merced, California, and attended Merced College and California State University, Fresno.

Fister began his professional baseball career in 2006 when he was drafted by the Seattle Mariners in the seventh round of the MLB draft. He spent several years in the minor leagues before making his MLB debut with the Mariners in 2009. Fister played for the Mariners for three seasons, during which he established himself as a reliable starting pitcher.

In 2011, Fister was traded to the Detroit Tigers, where he had his most successful seasons. He helped lead the Tigers to the World Series in 2012, where they lost to the San Francisco Giants. Fister was known for his control and ability to induce ground balls, which made him a valuable asset to the Tigers' pitching staff.

After his time with the Tigers, Fister played for several other teams, including the Washington Nationals, Houston Astros, and Texas Rangers. He continued to be a solid starting pitcher, but injuries and declining performance led to his retirement from baseball in 2019.

Throughout his career, Fister had a record of 82 wins and 85 losses, with an earned run average (ERA) of 3.72. He was known for his ability to pitch deep into games and his low walk rate. Fister was also a respected teammate and leader in the clubhouse, earning the nickname "Papa Fister" for his mentorship of younger players.

Overall, Doug Fister had a successful career as a starting pitcher in MLB, earning the respect of his peers and fans for his consistent performance and leadership on and off the field.