The Ohio State Buckeyes football team has a history of outperforming ... especially their gray, sticker-filled helmets. But what is on those stickers? And what do they mean? The answer is simple.

While Ohio State is known for its helmet stickers, the Buckeyes aren't the only team in college football that uses a helmet decal reward system. In fact, there are 13 total Division I FBS programs ...

Michigan and Ohio State ... or Ohio State's scarlet stripe, but the stickers plastered all over them. The Wolverines and Buckeyes are two of 13 FBS teams that currently use helmet decal reward ...