The Premier League club are working under new manager Oliver Glasner since the firing of Roy Hodgson.
While the club have been getting positive results, Wharton knows that a training camp can help them improve their playstyle and cohesiveness.
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Speaking to Palace TV, the midfielder said: You can train as much as you want, but nothing's the same as playing a game, so it's good to get some minutes in the legs for everyone and try to implement the gaffer's way of playing into a proper game.
Obviously it's not going to happen straight away the way he wants us to play so we've just got to try and get as many chances as we can in these sort of games to keep improving on how he wants us to play.
Then, hopefully, by the next Premier League game, we've improved, and we can go there and get some results."