Pedzisa mutsara unotevera: Mass akaisa wechipiri kuna Jean-Pierre Jarier munhangemutange yeFormula Two paNivelles, muna June 1973. Akanga apedza ari wechipiri muchikamu chokutanga uye wechitatu muchikamu chechipiri. Akapedza nhangemutange yake yekutanga yeFormula One pa1973 German Grand Prix paNürburgring. Mass akauya ari wechinomwe ari muSurtees. Akatyaira McLaren-Ford kusvika kunzvimbo yechitatu mu
1975 Brazil Grand Prix paInterlagos.