Conversation so far:
What started Billy Southworth's career as a manager?
Southworth's managerial career began in 1928 with the Rochester Red Wings of the AA International League.
Was he a good manager there?
The team won the IL championship that season.
What was his strategy as a manager?
he attempted to impose discipline on the Cardinals.
Did he work with anyone of note?
CANNOTANSWER.
What other teams did he manager?
he quit a coaching job with the 1933 Giants.
Why did he quit?
-- the death of his wife Lida at age 42 -- began a downward spiral.
Beset by struggles with alcoholism.
Did he manager any other teams after he quit coaching for the Giants?
he rejoined the Cardinals' minor league system in 1935 and by 1939 he was again enjoying success as Rochester's manager.

Question: What was his most prominent moment as a coach for the Cardinals?
Self-contained rewrite: What was Billy Southworth's most prominent moment as a coach for the Cardinals?