Turns out 21 was Denny Hamlin’s lucky number in Vegas. After finally getting his first career victory at Las Vegas Motor Speedway on his 21st try, Hamlin is on an undeniable hot streak he just might ride all the way to his long-sought first NASCAR Cup Series championship. Hamlin finally broke through in Vegas on Sunday night, holding off Chase Elliott and kicking off the second round of the playoffs with his second win in September.