Lupien finished his MLB career hitting .268 with 18 home runs, 230 RBI, 285 runs, 92 doubles, 30 triples, and 57 stolen bases in 614 games. Excellent defensively, he recorded a .993 fielding percentage with only 45 errors in 6077 total chances in 602 games covering 5338 innings. In 1949, he played with Triple-A Toledo (American Association). He concluded his professional career from 1951–53 and in 1955 when he was a player as well as field and general manager with the Jamestown Falcons and Corning Independents, in the PONY League. From 1951 to 1956, he was head basketball coach at Middlebury College, compiling a record of 60–49 in five seasons.