UFC debuts are often lackluster. Coming in as a new addition to the roster under the bright lights is a tough thing to do.
However, from time to time there will be a debut that makes you stand up out of your seat and celebrate. It will awe you and instantly put that fighter on your radar for their next outing.
As the UFC looks forward in 2013, Bleacher Report will look back at the past events to determine who has come on the scene most impressively. Who burst on to the scene with an excellent performance and made their presence noticed.
Here are the 25 most impressive debuts in UFC history.