With his limited plate appearances, Walker was ineligible for the World Series, but Commissioner Happy Chandler waived the rules to allow the returning World War II veteran to play in the postseason. Walker played in two games of the 1945 World Series for the Tigers, getting a double and scoring a run in two World Series at bats as a pinch hitter.
Due to his limited playing time, Walker was unable to qualify for the World Series, but Commissioner Happy Chandler made an exception to allow him to join the postseason. Walker played in two games of the 1945 World Series for the Tigers, achieving a double and scoring a run in two World Series at bats as a pinch hitter.