Oscar Piastri was faster than Charles Leclerc all afternoon. Then McLaren called him in for a second stop he didn't need.
Oscar Piastri was the fastest driver at Monza. He qualified on the front row, matched Charles Leclerc on the opening stint, and was over a second a lap faster on race pace. He finished second.
McLaren called him in for a second pit stop on Lap 38. Ferrari didn't. That's the race.