Complex sentence: On September 20, it was announced that Channing Frye had dilated cardiomyopathy and as a result, he would miss the entire 2012--13 season, although he sometimes made special appearances to do the pre-game show for local Suns games with Tom Leander and Tom Chambers.
Split into simpler sentences: On September 20, it was announced that Channing Frye had dilated cardiomyopathy. As a result, he would miss the entire 2012--13 season, although he sometimes made special appearances to do the pre-game show for local Suns games with Tom Leander and Tom Chambers.