Bruce Sutter -- the first MLB pitcher to enter the Hall of Fame without starting a game -- has passed away. He was 69.
The star reliever played for the Chicago Cubs, St. Louis Cardinals and Atlanta Braves over the course of his career ... winning a World Series in 1982.
Sutter was the National League saves leader in five different seasons ... and won the Cy Young in 1979.
MLB commish Rob Manfred released a statement on Sutter's passing ... saying he had an "incredible baseball success story.