The most famous words in motorsports carried some extra weight with them Sunday, as legendary actor and narrator Morgan Freeman gave the command to start engines for the NASCAR Cup Series' Pennzoil 400 at Las Vegas Motor Speedway.

The NASCAR Cup Series arrives at Las Vegas for Sunday's Pennzoil 400 as Christopher Bell is close to making history. Bell won his third consecutive race last week in Phoenix and can be the first to win four races in a row since Jimmie Johnson in 2007.