Running backs: Not even Barkley is immune from failure

First of a nine-part series previewing the NFL draft. Today: running backs.

By BOB McGINN

Saquon Barkley seems indestructible, a can’t-miss prospect with a chance to become the first running back selected atop an NFL draft since Ki-Jana Carter 23 years ago.

When 15 personnel people were asked this month to name the best football player in the draft regardless of position, 10 ½ votes were cast for the Penn State stallion compared to 1 ½ for defensive end Bradley Chubb of North Carolina State and one each for Alabama defensive back Minkah Fitzpatrick, Oklahoma quarterback Baker Mayfie...