 He debuted with the Cubs on September 28, 1943 in a home doubleheader against the New York Giants at Wrigley Field.In a 42-game career, Kreitner posted a batting average of .172 (16-for-93), which included 14 singles and two doubles, scoring three runs while driving in three more.In limited playing time he had good numbers as a catcher, handling 126 out of 127 chances successfully for a solid .992 fielding percentage.