Eagles tight end James Casey, who was a key offseason signing, appeared in just two offensive plays Week 1 against the Redskins -- both coming at the end of the game as Philadelphia took a knee to secure a 33-27 win.

"Of course, I’m disappointed," Casey said Tuesday, per CSN Philadelphia. "I’m not content just sitting on the sidelines, for sure. I’m not happy sitting on the sidelines, knowing you want to be out on the field, but I’m just going to keep working, keep preparing, keep practicing hard, showing the coaches what I can do and hopefully if they put me out there I’ll be ready to perform."

Eagles coach Chip Kelly explained why Casey, who missed time during the preseason due to injuries, wasn't used heavily Monday.

"A lot of times (personnel package) dictates what they do. If we're 11, they have more DBs in the game," Kelly said "That was our thought process. That was it. It has nothing to do with James' ability, what we're happy with him, not happy with him. Sometimes we're going to feature three tight ends prominently, and other times we're going to be a little bit more spread. [Monday] night, we were a little bit more spread."