Why USC running back Ronald Jones could slide in NFL draft

LOS ANGELES — It’s hard to imagine a worse place for your draft plans to veer off track than 20 yards into your 40-yard dash at the Combine, but that’s exactly where Ronald Jones’ hamstring failed him, and since, nothing about his NFL draft process has gone as planned.
That strained hamstring kept Jones sidelined for most of his Pro Day in March, just as a parade of NFL scouts and executives descended on USC’s campus. And now, as his second workout in front of NFL s