Complex sentence: Although he had a record of 8-3-1 against crosstown rival UCLA, the three losses were the first for USC in the series, including a 39-0 defeat in the second to last game of 1950.
Split into simpler sentences: Although he had a record of 8--3--1 against crosstown rival UCLA. The three losses were the first for USC in the series, including a 39--0 defeat in the second to last game of 1950.