On May 9, 1971 — A gathering of 43,307 fans watches the Orioles drop a twin bill to the A’s at Memorial Stadium, 6-2 and 2-1. The unscheduled doubleheader draws a record walk-in crowd of 31,626 (73%), the largest in Baltimore’s history.
Sources:
National Pastime
Support us!
Own this Day and Be Part of Baseball History