In the Giants’ 3 – 1 win over the Phils, New York collects six straight walks in the 6th. This is a major-league record since tied in the National League, but it will be broken in the American League next month.

On July 7, 1909 In the Giants’ 3 – 1 win over the Phils, New York collects six straight walks in the 6th. This is a major-league record since tied in the National League, but it will be broken in the American League next month.

Source:
Baseball Reference July 7