In NASCAR, or any motorsport for that matter, it's the driver that gets all the glory. The reason is because they are the ones that are muscling the car around the track.
In reality, there are many people involved in making a car ready for a race. The pit crew that goes over the wall are the ones most vulnerable because they have to dodge oncoming traffic just to put on tires and add fuel.
The crews at the shop are also extremely crucial in getting a team to victory lane. The are the ones building the cars, the engines, taking in all the data, and making the current cars that much better.
However, no member of any NASCAR team is more important than the crew chief. If the driver is the backbone of the team, then the crew chief is the mind. He's the one crunching the numbers, and tells the driver what he needs to hear.
It's not easy being the guy on the pit box making the calls. One decision could either put a driver in the winner's circle, or lead to disappointment.
They are also the constant voice in the driver's helmet, giving words of encouragement. Other times they are the ones trying to calm the driver down because an incident caused them aggravation. It's their words that keep that driver focused, looking ahead to the ultimate goal.
It is possibly the most difficult job in NASCAR that doesn't involve being part of the sanctioning body. Only a few certain individuals that have been able to master the task of being a crew chief in NASCAR.
But, who is considered the best at what they do?
Here's a look at the top 10 current crew chiefs in the NASCAR Sprint Cup Series.