Blake Treinen Bio
Blake Michael Treinen is an American professional baseball relief pitcher for the Los Angeles Dodgers of Major League Baseball (MLB). He has previously played in MLB for the Washington Nationals and Oakland Athletics. Treinen played college baseball for the Baker Wildcats and South Dakota State Jackrabbits. The Oakland Athletics selected him in the seventh round of the 2011 MLB draft, and he made his major league debut in 2014. Treinen was an All-Star in 2018 and has been part of three World Series championship teams.
Early Life and Background
Blake Treinen was born on June 30, 1988, in the United States. He attended Osage City High School in Osage City, Kansas, where he initially played for the school’s baseball team as a freshman. However, he quit during his sophomore year due to developing prediabetes. Treinen returned to the team in his junior year, showcasing his talent by throwing a fastball up to 79 miles per hour. After high school, he enrolled at Baker University, where he played junior varsity college baseball in 2007. Later, he transferred to South Dakota State University, where he sat out the 2009 season due to NCAA transfer rules. When he was finally able to pitch, his fastball averaged between 87 to 88 miles per hour, which caught the attention of MLB scouts.
Path to Baseball
In 2010, Treinen was selected in the 23rd round of the MLB draft by the Miami Marlins, but an MRI revealed shoulder inflammation, leading to the withdrawal of the contract offer. The following year, the Oakland Athletics selected him in the seventh round of the 2011 draft, and he signed with a $52,000 signing bonus. Treinen began his professional career with the Stockton Ports in the Class A-Advanced California League, where he had a 4.37 earned run average (ERA) in 24 games. In January 2013, he was traded to the Washington Nationals as part of a three-team deal.
Blake Treinen Career
Early Career (2014–2017)
Treinen made his MLB debut on April 12, 2014, after impressing during spring training. He earned his first career win on June 29, 2014, against the Chicago Cubs. In his rookie season, he had a 2.49 ERA in 15 major league games. In 2015, he transitioned to a relief role and posted a 3.85 ERA with 65 strikeouts. Treinen’s performance improved significantly in 2016, where he recorded a 2.28 ERA and was frequently used in high-pressure situations. He made his first playoff appearance that year, contributing to the Nationals’ postseason run.
Breakthrough (2018)
Treinen’s breakthrough season came in 2018 when he was named an All-Star. He finished the season with a remarkable 0.78 ERA and converted 38 saves, ranking third in the American League. His performance solidified his reputation as one of the top relief pitchers in baseball. However, in 2019, he faced challenges with injuries and performance, leading to a decline in his role with the Athletics.
Notable Works and Milestones
Treinen’s signature work includes his All-Star season in 2018 and his contributions to the World Series championship teams in 2020, 2024, and 2025. His ability to induce ground balls and strikeouts has made him a valuable asset in the bullpen.
Blake Treinen Award Nominations
Throughout his career, Blake Treinen has received recognition for his outstanding performances, including his selection as an All-Star in 2018.
Blake Treinen Awards Won
Treinen has achieved notable accolades, including being a three-time World Series champion in 2020, 2024, and 2025, showcasing his contributions to championship teams.
Blake Treinen Family
Blake Treinen is married to Kati, and they have four children together. The family resides in Walla Walla, Washington.
Personal Life
Treinen is a Roman Catholic and has been involved in community activities, including serving as a volunteer assistant coach for the Whitman College Blues baseball team from 2015 to 2020. He has also been vocal about his beliefs, including criticism of certain events organized by the Dodgers. Treinen’s nickname, “The Witch,” was given due to his fast sinker, although he expressed dislike for the name.
