Do You think Betts is Expendable?

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They gave him 4.6 rushes a game this year and its hard to get something going if you do not get a feel for the game and thats hard to do with so few runs. When he signed his new deal I thought they would work him into the games more than they have. I have never seen him and Portis on the field at the same time and you would think they could design something with them together.