Posted by ESPN.com's Tim Griffin
We all thought that quarterback Cody Green would be the agent of change to boost production in Nebraska's offense.
Surprise -- it's somebody else.
Roy Helu Jr. has picked up only two carries so far, leaving Robinson to slip into the role as the featured back.
The running game is helping quarterback Zac Lee look a little more comfortable passing. And that's the biggest reason for the Cornhuskers' early lead.