Bears players not surprised by Tarik Cohen's instant impact

LAKE FOREST, Ill. -- Chicago Bears rookie running back Tarik Cohen is the embodiment of the slogan, "You play like you practice."

Many in the NFL were caught off guard by Cohen's exciting Week 1 debut against Atlanta, but not the Bears. Cohen has been one of Chicago's best practice players since the voluntary offseason program began back in the spring.

Veteran teammates took notice -- in a hurry.

"He's a high-energy guy ... he's a baller," Bears tight end Dion Sims said. "I knew that from day one when we saw him out there on the practice field. He's being consistent, which is the most important thing."

Atlanta witnessed Cohen's talents firsthand.

On one memorable play, Cohen reversed field on…