Cops: NFL Star Busted at Airport with Gun

Cleveland Browns lineman Shaun Rogers was arrested today after he allegedly took a loaded gun into an Ohio airport ... cops tell TMZ.

Our sources say it went down at 12:20 PM at the Cleveland Hopkins International Airport.

We're told a security officer working an X-ray machine saw the .45-caliber handgun in Rogers' carry-on bag and immediately called police.

Rogers was immediately taken into custody for carrying a concealed weapon -- a felony of the 3rd degree.