Aston Villa and West Bromwich Albion, both with new managers set to be on board, come to the City Ground as the big kick-off approaches.
Before then Cotterill will follow the pattern he set with Portsmouth last summer and take his side stateside.
Orlando City and Charleston Battery will provide the opposition and Cotterill told the official NFFC website: "We will be up against fit, athletic players who will run the legs off you."
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