Watch: Eagles TE Brent Celek goes undercover at Wawa

Keep an eye out: That guy watching you fill up your morning coffee at Wawa might also play for the Philadelphia Eagles.

Eagles tight end Brent Celek traded in his shoulder pads and jersey for an apron and a ballcap, donning the convenience-store chain's uniform to go undercover for a day as a Wawa employee.

"They say you ain't a true Philadelphian until you work at Wawa," Celek told one customer who recognized him, "so I had to work at Wawa."

The 10-year veteran has spent his entire career with the Eagles, but most patrons didn't recognize him as he offered friendly small talk and quick-witted humor. Among the highlights was Celek asking a customer, "How much you bench, bro?" while doing bicep curls with a gallon of milk in each hand.

The 31-year-old's role in the Eagles' offense has declined in recent years, but he totaled76 catches for 971 yards and eight touchdowns in 2009. Now playing under the team's third coaching regime since he was drafted in the fifth round of 2007, Celek remains a key contributor.