Upon graduation from Harvard, Lupien signed a professional baseball contract with the Red Sox and played the 1939 season for the Double-AScranton Red SoxEastern League championship team. He made his major league debut for the Red Sox on September 12, 1940. One of his most productive seasons came in 1942 when he batted .281 with three home runs and 70 runs batted in for the Red Sox. He was traded to the Phillies where he played in 1944 and early in 1945, before serving in the U.S. Navy during World War II. In the 1944 season, he hit .283 with five homers, 52 RBI, 82 runs, 23 doubles, 9 triples and 18 stolen bases. After his discharge from the Navy, Lupien played two years for the Hollywood Stars of the Pacific Coast League, where his 1947 record of batting .341, with 21 homers and 110 RBI, led to his return to the major leagues for one final season in 1948, with the White Sox.
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 to 1953 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.
In 1956, Lupien was hired as the Dartmouth Big Green baseball coach. He spent 21 seasons at Dartmouth College and guided his teams to 313 wins, 305 losses and three ties, winning the Eastern Baseball Intercollegiate League championship four times (1963, 1967, 1969–70). His 1970 team advanced to the College World Series at Omaha, Nebraska where it finished fifth. That team had a 24–10 record that included a 21-game win streak. He was also the Dartmouth freshman basketball coach from 1956 to 1968.
Personal life and legacy
Lupien retired from coaching in 1977, but continued to work for many years as a stockbroker with various firms in New England. He died in Norwich, Vermont, at 87 years of age. He was married to Natalie Nichols, and later to Mildred Robinson. His grandson is professional wrestler and actor John Cena, with whom he shared a birthday.[4]
Lupien was recognized for decades as a great teacher and mentor. He was also an outspoken observer of labor relations in professional baseball. In 1980 he collaborated with writer Lee Lowenfish to author The Imperfect Diamond, a book that remains a definitive text on baseball labor from the introduction of the reserve clause in 1879 to the litigation in the 1970s that led to free agency.[1]