He was also a member of the Hartford Colonials, New Orleans Saints, Green Bay Packers and Baltimore Ravens.

He was waived during final cuts on September 5 and re-signed to the team's practice squad the following day.

After the Colonials' suspension of operations for the 2011 season, Newton's rights were acquired by the Omaha Nighthawks in a dispersal draft.

On August 1, 2011, Newton signed with the New Orleans Saints, but was waived on September 3 and re-signed to the practice squad the next day.

On October 13, 2011, Newton was signed to the Green Bay Packers' practice squad following injuries to starters Chad Clifton and Bryan Bulaga.