DRZ Benelli signs Ruvolo to rookie Formula 4 season DRZ Benelli signs Ruvolo to rookie Formula 4 season Mitchell Koolen / Friday, February 21, 2020 0 3325 Article rating: 3.0 DRZ Benelli will field two cars in the upcoming Italian Formula 4 Championship. The team, led by Stefano Da Riz and Francesco Benelli, will pair the already-confirmed Francesco Simonazzi with young rookie racer Biagio Ruvolo. Read more