On September 21, 1934, the Dean brothers enjoy an incredible day against the Brooklyn Dodgers. In the first game of a twinbill, Dizzy Dean spins a three-hit shutout. In the nightcap, Daffy Dean pitches a 3-0 no-hitter for the St. Louis Cardinals. The Deans set a record for the fewest hits allowed in a doubleheader.
September 9, 1965
Kent Mercker, Mark Wohlers, and Alejandro Pena of the Atlanta Braves combine on a 1-0 no-hitter against the San Diego Padres
September 11, 1991