When the Washington Redskins drafted Derrius Guice last year, he was expected to play a major role in their offense heading into 2018, but the running back then proceeded to tear his ACL in preseason, shelving him for the entire campaign.

As a result, the Redskins went out and signed veteran halfback Adrian Peterson, who went on to have a Renaissance season by rushing for 1,042 yards.

Now, with Guice healthy and Peterson re-signed, Washington will have a pretty nice tandem in the backfield going into 2019, and Redskins head coach Jay Gruden is excited about it. The problem is, he doesn't know who the No. 1 back will be:

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“That’s an interesting dilemma right there,” said Gruden, according to Kareem Copeland of The Washington Post. “Number one, Guice has got to get healthy. . . . He’s young, I’m sure it’ll be effortless for him to get back in shape, but still, we’re talking about a major knee injury for a running back. So, it’s something we have to really look at and make sure he’s 100 percent. And make sure he still runs with the same type of energy and charisma and effort he played with before the injury, because sometimes those injuries have an effect on you mentally. I don’t think it will with Derrius . . . but still, you never know.”

You would have to think that Peterson will end up with the starting role given the year he had last season, but either way, both backs will probably see significant playing time.

“Having AP back is nice,” Gruden said. “He rushed for over 1,000 yards. He’s a little bit older, but he doesn’t look it. He’s in great shape. Saw him the other day. It’s a great dilemma to have those two guys.”