Complex sentence: Riley's titles with the Lakers make him the sixth man to play for an NBA Championship team and later coach the same NBA team to a championship; the others are Bill Russell, Tom Heinsohn, K. C. Jones, Billy Cunningham, and Steve Kerr.
Split into simpler sentences: Riley's titles with the Lakers make him the sixth man to play for an NBA Championship team and later coach the same NBA team to a championship. The others are Bill Russell, Tom Heinsohn, K. C. Jones, Billy Cunningham, and Steve Kerr.