MEXICO CITY :McLaren boss Andrea Stella says Formula One title contenders Lando Norris and Oscar Piastri can both feel confident going into the last four races, with neither likely to have a track advantage. Norris took over at the top by a point from his Australian teammate in Mexico on Sunday but Stella told reporters there was everything to play for in Brazil, Las Vegas, Qatar and Abu Dhabi. There are also two sprints to come in Sao Paulo and Doha. "I think both Lando and Oscar go into the