Nuno Espirito Santo has explained what the next big challenge is for Nottingham Forest star Callum Hudson-Odoi. The Reds player has scored seven goals this season and added two more to his tally at Sheffield United last weekend. Forest are three points clear of the relegation zone with just two games remaining and the end of the season is now upon us. The Reds have had a number of top performers this season and Hudson-Odoi will likely be in contention for the Player of the Year accolade. Ahead of this weekend’s game against former club Chelsea, Espirito Santo has explained the next challenge f…