The Evolution of the Catcher's Mitt By jaredt5 Jan 1, 1889 Catcher's mitt was invented by Harry Decker. Jan 1, 1895 Catchers were required to wear a glove. Jan 1, 1899 J. F. Draper designed the round pillow mitt with a web. Jan 1, 1950 Gus Niarhos cuts an hinge to help squeeze the mitt. Aug 27, 1975 Al Campanis gives the mitt a orange stripe to help the pitcher with accuracy. dsgasgas