Complex sentence: In 1972, Mezario won the 1000 Kilometres of Spa (with Brian Redman) in a Ferrari 312PB, won the Targa Florio alongside Sandro Munari and made his Formula One World Championship debut that year.
Split into simpler sentences: In 1972, Mezario won the 1000 Kilometres of Spa (with Brian Redman) in a Ferrari 312PB and also won the Targa Florio alongside Sandro Munari. He also made his Formula One World Championship debut that year.