Complex sentence: He had a 0.64 ERA in the Series with a 1-1 record including a shutout, which came after teammates Don Drysdale and Sandy Koufax lost their respective games, the first two games of the Series.
Split into simpler sentences: He had a 0.64 ERA in the series with a 1-1 record and 1 shutout. His shutout came after teammates Don Drysdale and Sandy Koufax lost their respective games, the first two games of the series.