IRVING, Texas - Dwayne Harris turned in his best performance of the season against the New York Giants.

The Cowboys could use a similar performance Thursday against Philadelphia, which has one of the best special teams units in the league.

Harris returned four punts for 68 yards with a long of 20. He also made a nice tackle on Odell Beckham Jr. on a punt return and downed another punt inside the 10.

He has only two punt returns of more than 20 yards this season -- he had eight in 2012 -- but he showed signs against the Giants of finding a rhythm.

“It looked like he got his swagger back and he was making the plays we’re used to having him making,” Jason Garrett said. “It’s always a collective effort.

“The return unit has to get the return started, and he has the unique ability to make guys miss and get north and south. I felt we were real close to making a couple of big plays.”

Harris’ contribution to the coverage units will be as important as his returns this week. Two weeks ago, Darren Sproles returned a punt for a touchdown. In Philadelphia’s last game, Josh Huff returned a kickoff for a touchdown.

The Cowboys have had a punt and two field goals blocked this year. They must avoid those mistakes against Philadelphia by being much more sound in the kicking game.