On July 11, 1923Harry Frazee, owner of the Boston Red Sox since 1916, sells out for over $1 million to a group of Ohio businessmen, who bring in veteran front office man Bob Quinn from St. Louis to run the club. Frazee’s departure is welcomed by Boston fans who are fed up with the sale of Frazee’s best players over the years, many of them to the rival New York Yankees.

Source
Baseball Reference July 11