Dottie Ferguson Key of the Rockford Peaches stole 461 bases in 950 games while playing in the All-American Girls Professional Baseball League from 1945 through 1954.
Notes on verification
Confirmed by multiple independent sources including Baseball-Reference, a local news outlet, and museum records, with matching statistics across all.
Sources
- This Crackerjack Lineup of Baseball Memorabilia Drives ... (smithsonianmag.com)
- https://www.baseball-reference.com/bullpen/Dottie_Ferguson (baseball-reference.com)
- https://www.mystateline.com/sports/stateline-sports-memories-recalling-the-great-career-of-rockford-peach-dottie-ferguson-key/ (mystateline.com)
- https://kids.kiddle.co/Dorothy_Ferguson (kids.kiddle.co)
- https://gorockfordpeaches.com/rockford-peaches/ (gorockfordpeaches.com)