 Stumpf appeared in the league's first All-Star Game during the 1943 midseason, which was played under temporary lights at Wrigley Field, between two teams composed of Blue Sox and Peaches players versus Comets and Belles players.It was also the first night game ever played in the historic ballpark (July 1, 1943).After that, Stumpf was an active scout for the league during the rest of the decade and served a second stint as manager in 1945 (Kenosha).