FILE - In this Sept. 16, 2012 file photo, Carolina Panthers'  Jordan Gross (69) keeps New Orleans Saints' Will Smith (91) blocked as panther quarterback  Cam Newton (1) looks for a receiver during the first half of an NFL game in Charlotte, N.C. Playing offensive lineman is a job like no other in the NFL. The standard job description: Weigh at least 300 pounds, be strong and aggressive enough to push around a man just as heavy against his will, expect to toil in anonymity unless a mistake is made. (AP Photo/Bob Leverone, File)

FILE - In this Sept. 16, 2012 file photo, Carolina Panthers' Jordan Gross (69) keeps New Orleans Saints' Will Smith (91) blocked as panther quarterback Cam Newton (1) looks for a receiver during the first half of an NFL game in Charlotte, N.C. Playing offensive lineman is a job like no other in the NFL. The standard job description: Weigh at least 300 pounds, be strong and aggressive enough to push around a man just as heavy against his will, expect to toil in anonymity unless a mistake is made. (AP Photo/Bob Leverone, File)