Landsberger attended Mounds View High School (Arden Hills, Minnesota) where he graduated in 1973 after leading the Mustangs to the 1972 AA State Championship as a junior.

[1] In his senior campaign, he averaged 26.1 points per game,[2] and led the Mustangs back to the state tournament and the consolation championship.

[8] On February 13, 1980, the Bulls traded Landsberger to the Los Angeles Lakers in exchange for Oliver Mack and two second round draft choices.

[11] Among the highlights of his European career was a 34 rebound game while playing for Lotus Montecatini Terme in Lucca/Italy on November 11, 1990.

[citation needed] On June 21, 2021, it was announced by Deadline that Landsberger would be portrayed by actor Austin Aaron in the upcoming HBO series Winning Time.