Elmer Knetzer was a professional baseball player who had a successful career in the early 20th century. He was born in 1887 in Pennsylvania and began his professional career in 1909 with the Pittsburgh Pirates. He was a right-handed pitcher and played for the Pirates for two seasons before being traded to the St. Louis Cardinals in 1911.

Knetzer was a reliable pitcher for the Cardinals, and he was a key contributor to the team's success in the 1912 and 1913 seasons. He was known for his ability to throw a variety of pitches, including a curveball and a knuckleball. He was also known for his control, as he was able to consistently hit his spots and keep the ball in the strike zone.

Knetzer's career was cut short due to an arm injury in 1914, and he was forced to retire in 1917. Despite his short career, Knetzer was able to make a lasting impact on the game of baseball. He was known for his ability to throw a variety of pitches, and his control was unmatched. He was also known for his competitive spirit and his willingness to do whatever it took to help his team win.

Knetzer's legacy lives on today, as he is remembered as one of the best pitchers of his era. He was a key contributor to the success of the St. Louis Cardinals, and his influence can still be seen in the game of baseball today.