Premier League giants Liverpool have made an offer for 19-year-old Atletico Madrid defender Theo Hernandez, currently on loan at Deportivo Alaves.
Ligue 1 side Paris Saint-Germain have made an offer to Borussia Dortmund striker Pierre Emerick Aubameyang.
Paris Saint-Germain winger Angel Di Maria could be the latest big name player on his way to China, with reports in France linking the Argentina international with a move to the Chinese Super League.
Both teams will be looking to get their Champions League campaign off to a winning start and aim for a top finish in a group where they are the two teams favourites to qualify for the next round.
Group A favourites Arsenal and PSG go head to head on Tuesday night with the Paris outfit looking a bit depleted as compared to an Arsenal squad riding on the momentum of two back-to-back Premier League wins.
FC Barcelona forward Neymar is close to signing an extension at the Catalan club, ending months of speculation regarding his future.
Liverpool have rejected an initial bid from PSG of £23million for their Brazilian star Philippe Coutinho
After the prolonged wait for Jose Mourinho to officially be announced as the new Manchester United manager, the Red Devils' fans are now in the same situation again with Zlatan Ibrahimovic.
Antonio Rudiger is one of the highly sought after Serie A players in Europe. After being linked with Chelsea and Liverpool, there is news of interest from France for the German defender.
With Zlatan Ibrahimovic set to leave Paris Saint-Germain at the end of the season, reports in France suggest the Ligue 1 champions could target Manchester United striker Anthony Martial as a replacement for the Swede.