LAS VEGAS : Max Verstappen's rivals were quick to congratulate the Red Bull driver on winning his fourth consecutive Formula One championship on Saturday but said they did not believe the Dutchman was invincible. Verstappen secured the championship in Las Vegas by finishing in sixth, one place ahead of title threat Lando Norris of McLaren along the neon-lit Las Vegas Strip. "Nobody is unbeatable," race winner George Russell of Mercedes told reporters. "You go through these phases where teams