Kammala jumla mai zuwa: A ranar 31 ga Maris, 2010, Andretti ya ba da sanarwar cewa zai haɗu da Richard Petty da Window World don abubuwan biyu. No. 43 ya dawo a matsayin shigarwa, wanda Andretti Autosport ya goyi bayan, mallakar dan uwan John Michael. Gasar farko ta ƙungiyar ita ce RoadRunner Turbo Indy 300 a Kansas Speedway a ranar 1 ga Mayu. Andretti ya cancanci 15th amma ya gama 9th, daya lap baya. Har ila yau, tawagar ta yi gasa a cikin
Indianapolis 500 na 94 a ranar 30 ga watan Mayu. Bayan rashin nasarar cancanta a ranar da aka yi, Andretti ya yi tseren a ranar da aka yi wa kwalliya ta 28 a shekara ta biyu a jere. Andretti ya fadi daga tseren a zagaye na 65, kuma an lasafta shi a matsayin na 30.