The Browns promoted Jackson from the practice squad to the active roster, Nate Ulrich of the Akron Beacon Journal reports.
Jackson, a quarterback in college at Mary-Hardin Baylor, had been signed by the Browns as a wide receiver. He was added to the active roster after Cleveland placed linebacker Tanner Vallejo (hamstring) in injured reserve.
Jackson signed with the Browns' practice squad Tuesday, Mary Kay Cabot of Cleveland.com reports.
Jackson was a Division III standout for Mary-Hardin Baylor as a quarterback and will join the Browns practice squad as a wide receiver. He could be brought up to the active roster if injuries continue to hurt Cleveland's receiving corps.