Eagles running back Darren Sproles wants to see the ball more on offense. Dale Zanine USA TODAY Sports

Philadelphia Eagles running back Darren Sproles feels like he's being left out of the offense far too often in 2015.

"Things get kind of frustrating. You know what I'm saying?" Sproles said to reporters this week, per the Philadelphia Daily Inquirer. "You're standing on the sidelines. It's kind of frustrating. But what can you do?"

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Sproles has not been as productive on a per touch basis as he was in 2014, his first season with the Eagles. He is averaging 2.1 yards per carry less and 2.8 yards per reception less than he did in 2014. Like any running back, Sproles feels like he needs to get in a rhythm, and he hasn't had the opportunity to do that so far in 2015.

"I'm not really on the field. But I don't get into that," Sproles said when asked if he thought he was being used properly. "If they're going to put me on the field, they're going to put me in. If they're not, they're not. You know what I'm saying? If they do put me in, I just try to make the best of it.

"I'm not getting enough chances," Sproles said. "They got me more in there to run routes. DeMarco and Ryan get the bulk of the carries. . . . To get in a rhythm you need more touches. That's for any kind of player."

Sproles may finally get an opportunity at an extended run in Week 11 when the Eagles play the Tampa Bay Buccaneers. Ryan Mathews is still in the NFL's concussion protocol, and he hasn't practiced yet this week. If he is ruled out, Sproles will serve as the second option in the backfield after DeMarco Murray.