 The championship saw the same order, with only two Italian wins compared to five French.In addition, despite the absence of the Matras, the 312 PB could not defend the 1972 win of the Targa Florio as the prototypes of Ferrari and Alfas failed and a Porsche 911 collected a surprise win.At the end of the 1973 season, Ferrari abandoned sports car racing to focus on F1 again, as the F1 team had even skipped GP races in 1973 due to lack of competitiveness.