Martin Brundle thinks watching Carlos Sainz win the Australian GP on his return from surgery following appendicitis ‘must have hurt’ his Ferrari teammate, Charles Leclerc. The Scuderia welcomed Sainz back in Melbourne after the 29-year-old missed the Saudi Arabian GP to undergo an emergency operation. But the Spaniard lapped Albert Park like he had never been away to take full advantage of Max Verstappen retiring due to a brake issue. Sainz had already overtaken Verstappen for the lead of the Australian GP before the Red Bull racer’s day ended abruptly. The Madrid native seized on the Dutchman…