LAS VEGAS (AP) -- Max Verstappen, needing just three points over Lando Norris at the Las Vegas Grand Prix to seal a fourth consecutive Formula 1 championship, is suddenly in jeopardy of being denied the crown Saturday night.

The most jarring sign of trouble came in Thursday night's second practice when the Dutchman was a dismal 17th on the speed chart compared to Norris, who was among the top three fastest drivers in both sessions.