Philadelphia Eagles and Dallas Cowboys have enjoyed a healthy rivalry for over 50 years.
Though the two teams couldn't be further apart in terms of distance, this hasn't stopped the franchises competing on and off the football field.
On the field the Eagles and the Cowboys are the favorites to battle for the NFC East title again in 2015, while off the field both franchises continue to grow.
But it is the Cowboys who have the edge off the field, with Jerry Jones' team nicknamed 'America's team' because they are the most profitable franchise in the NFL.
And one Philadelphia Eagles' star says that it is this extra publicity that clouds how good the Cowboys really are.
During the last campaign Dallas's offensive line opened up the holes for running back DeMarco Murray, with talented back accumulating 1,845 rushing yards.
This development led many experts across the league to profess the Cowboys' offensive line as the best in the NFL, but Eagles guard Jason Peters certainly does not agree with that view, according to reports.
"They're the Cowboys," Peters told the Philadelphia Inquirer."Everything they do is pumped up. It's America's Team.
"Everything they do is overemphasized. When Shady (LeSean McCoy) was the leading rusher, they weren't saying we were the best offensive line.
"Don't get me wrong, they're a good, solid offensive line. But guy for guy, they can't touch us."
ProFootballFocus agree with Peters' claim and voted the Eagles' O-line as the best offensive line group in the NFL ahead of the Cowboys last season.
It's clear that both O-lines were at the top of their games last season, but the Eagles will be tested in 2015 after their bizarre decision to release Evan Mathis.
The arrival of Murray in Philadelphia will also allow us to finally rate who is the best, though the tailback will share carries somewhat with former San Diego Chargers RB Ryan Mathews.
Who do you think is the best O-line out of Philly and Dallas? Let us know below.
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