 He appeared with Boston in two games on September 13–14 and posted a .167 batting average (1-for-6) without home runs or RBI.As a fielder, he recorded three put-outs with six assists and turned into a double play for a perfect 1.000 fielding percentage.Carlstrom served with Company G, 346th Infantry, 27th Division in France, where he contracted rheumatism, which ended his baseball career.