John Allen was one of the game's most prolific scorers during his thirteen-year senior career.

He played professionally in both the Quebec, and the first National Lacrosse League, and with the Coquitlam Adanacs in the Western Lacrosse Association for ten seasons. He won the scoring title three times, was named rookie-of-the-year, and was selected nine times to the league's allstar team.

He amassed 542 goals and 453 assists for 995 points in his thirteen seasons of senior play.