A simmering battle in Formula One erupted in spectacular fashion on Sunday as championship leader Max Verstappen and defending champion Lewis Hamilton crashed out of the Italian Grand Prix, which was won by McLaren’s Daniel Ricciardo. As both Hamilton and Verstappen fought for position midway through the race, their cars came together in a move that could have seriously injured Hamilton. Mercedes team principal Toto Wolff went as far as describing it as “a tactical foul” by Verstappen. “The stewards will decide who is to blame,” Wolff said. “In football you would call it a tactical foul. He knew that if Lewis stays ahead, then that is the race win.” The stewards did decide, judging that Verstappen “was predominantly to blame for the collision.” They gave the Red Bull driver a three-place grid drop for the start of the next race, the Russian GP on Sept. 26. “I’m proud of …