Lantz has been the Lakers' color commentator since 1987, sharing the microphone with Chick Hearn, Paul Sunderland, Joel Meyers and now Bill Macdonald on Spectrum SportsNet.

Lantz has been named by the Southern California Sports Broadcasters Association as the best television color commentator on seven occasions.

[3] On February 27, 2022, before a home game against the New Orleans Pelicans, the Lakers commemorated Lantz's 35 years broadcasting for the team with a pregame video tribute that featured celebratory messages from Pat Riley, Walt Frazier, Derek Fisher, and Shaquille O'Neal, among other basketball contemporaries.

[4] In 2023, Lantz was named recipient of the 75th Los Angeles Area Emmy Governors Award by the Television Academy, recognizing his “long career in broadcasting, professionalism, and immense popularity.”[5] The announcement was televised in a surprise fashion in the Spectrum SportsNet studio with his colleagues and Lakers executives, including Jeanie Buss.

[6] He joins other Southern California sports icons Bob Miller, Chick Hearn, Vin Scully, and Kobe Bryant as Governor's Award recipients.