George McQuillan/pagetext
From SABR Encyclopedia
McQuillan threw four no-hitters in the minors: 7/27/1904 vs Newburgh, 9/4/1904 vs Saugerties, 9/13/1904 vs Kingston, and 6/4/1907 vs Rochester.
McQuillan threw four no-hitters in the minors: 7/27/1904 vs Newburgh, 9/4/1904 vs Saugerties, 9/13/1904 vs Kingston, and 6/4/1907 vs Rochester.