21-year-old, Louis, who once worked at the Doncaster Rovers club as a hospitality waiter, has been issued with the number 28 shirt for the 2013/14 season.
He has signed as a non-contract player in aid of Bluebell Wood Children's Hospice in Sheffield.
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Humberside Police rebutted a newspaper's critical article, saying its officers had worked 'long, hard hours during the event'.
It comes as households already face a triple-whammy from airfares, fuel and electricity prices.
The business secretary called the move a 'positive step forward' after the US-imposed tariff sparked fears over jobs in Northern Ireland.