Conversation so far:
Whatt happened in 1924 with Al Simmons?
What is the most important fact listed about Al Simmons?
Nicknamed Bucketfoot Al, Al Simmons' best years with Connie Mack's Philadelphia Athletics during the late 1920s and early 1930s, winning two World Series with Philadelphia.

Question: what was his greatest accomplishment mentioned here?
Self-contained rewrite: What was Al Simmons' greatest accomplishment mentioned here?