Sproles confident he still has 'tread on the tires'

The Eagles' Darren Sproles scores a second-quarter touchdown against Tampa Bay on Nov. 22, 2015 in Philadelphia.TODD DURKIN, Darren Sproles’ longtime trainer out in San Diego, called it earlier this month.

“He believes he’s got another two years in him, if he wants to keep going. He has not lost a step, and I’ve seen guys lose steps,” Durkin said after hosting Eagles quarterbacks and receivers at his facility.

“He does what no one else does,” Durkin said of Sproles, who came to Durkin through then-Chargers star LaDainian Tomlinson, a two-time NFL rushing leader. “He does all the little things extremely well, he doesn’t take days off. He takes really, really good care of his body. His…