[1] Scanlon was originally drafted by the Expos in 1970 after excelling as a three sport athlete at Benilde High School in St. Louis Park, Minnesota.

He was dealt along with Tony Scott and Steve Dunning from the Expos to the St. Louis Cardinals for Bill Greif, Sam Mejías and Ángel Torres on November 8, 1976.

All three players coming to St. Louis had spent the 1976 season with the Denver Bears which were led by recently-hired Cardinals manager Vern Rapp.

[2] After starting the 1977 season in the minor leagues, Scanlon was traded for a second time within a seven-month span, along with John D'Acquisto from the Cardinals to the San Diego Padres for Butch Metzger on May 17, 1977.

[3] He returned to the Expos organization in 1978-79, then finished his playing career in the Chicago White Sox farm system in the 1980s.