Complex sentence: He coached the Portland Trail Blazers (1986/87-1988/89) and Los Angeles Clippers (1990/91-1991/92) in altogether 338 matches, and compiled a win-loss record of 179-159.
Split into simpler sentences: He coached the Portland Trail Blazers (1986-89) and Los Angeles Clippers (1990-92). He compiled a win-loss record of 179-159.