Scales (6'4", 248 / Utah State / North Ogden, UT) entered the NFL as an undrafted free agent with the Baltimore Ravens following the 2011 NFL Draft.
Shugarts (6'6", 299 / Ohio State / Klein, TX) spent the 2012 season on the Browns' and Bills' practice squads after signing with Cleveland as an undrafted free agent following the 2012 NFL Draft. He was a three-year starter at right tackle for Ohio State.
Mayo (6'2", 205 / California (PA) / Reston, VA) signed with the Jets in 2013 after spending 2012 training camp with the Oakland Raiders.
Popek (6'7", 308 / South Florida / Plant City, FL) joined the Jets as an undrafted free agent following the 2013 NFL Draft.