Penalties in NASCAR are some of the biggest game-changers in the history of the sport. They can make or break a season. Throughout NASCAR’s history, there have been penalties handed out that changed the outcomes of entire seasons. From Ryan Blaney’s most recent (now rescinded) penalty from Las Vegas Motor Speedway in 2023 to a championship-crushing season-ender in 1950. It has been a part of NASCAR since the start of NASCAR but has not gotten any less painful for those involved. So let’s look back at 4 major penalties that changed the NASCAR championship…