Chelsea’s very talented first team squad have already made an impact for their countries during this international break, and another is now set to be given his chance in an upcoming game.Enzo Maresca will be watching through his fingers in the hope that no key players pick up injuries, after already losing Levi Colwill and Cole Palmer through injury in the early stages of the campaign.Dario Essugo has picked up a knock already, putting a stretch on their midfield depth, with Moises Caicedo training with a knee support.The Blues will have been buoyed to see Romeo Lavia return to training, however he will likely not be thrown straight back into action after another lengthy period on the sidelines.Photo by MB Media/Getty ImagesAndrey Santos set to make second start for BrazilThis could see Andrey Santos required for action soon, providing he returns in good condition from international duty with Brazil.The midfielder came off the bench in their win over Chile, however GE Globo have claimed that the youngster will start in a rotated side when they face Bolivia.The report went on to say that Joao Pedro and Estevao Willian were both set to start on the bench, following their strong performances in the first game of the break.Given their importance to Chelsea, the Blues will be delighted that they are not set to start, especially with the challenging circumstances the Brazilian players are set to face.Photo by Darren Walsh/Chelsea FC via Getty ImagesSantos preparing for tough conditionsAn away game against Bolivia means that the players will have to deal with an immense challenge due to the altitude the game will be played at.Carlo Ancelotti has already acknowledged the challenge that faces his players, and this has been shown by the fact that he is considering mass rotation.It will be an immense challenge for Santos to face, but also an opportunity for him to prove his development to becoming a senior player.With Chelsea fixtures coming thick and fast after the international break, it surely won’t be long before the midfielder is handed his first start in the Premier League for the club,