Oscar Piastri finished second behind reigning world champion Max Verstappen at the Belgium Grand Prix sprint race in JulyMcLaren have extended their contract with Australian rookie Oscar Piastri until the end of 2026.The 22-year-old has impressed alongside British team-mate Lando Norris this season with performances that suggest he could be a star of the future.Norris is contracted to McLaren until the end of 2025.Team principal Andrea Stella said keeping Piastri, who is 11th in the drivers' championship, was an "easy decision for the team to make".Stella added: "Oscar constantly impresses with his performance, work ethic and attitude."Piastri said: "I want…