Minnesota Vikings running back Alexander Mattison (undisclosed) was present for the team's walkthrough practice on Wednesday after he was seen limping at the end of training camp practice on Tuesday. Kene Nwangwu (undisclosed) was also back out there. With both Mattison and Nwangwu out on Tuesday, Ty Chandler failed to stand out with the first-team offense. Nwangwu's speed and versatility could add a dimension to Minnesota's backfield, but it's unlikely he'll shoulder a massive load unless ...