‘Iron Man’ Novak Djokovic keeps mum about mysterious object on chest #trending #djokovic #tennis

First there was the “magic potion” and now Novak Djokovic’s team is leading the way when it comes nanotechnology with his latest “secret” revealed during the French Open. #frenchopen2023 #sportscentre7 #atp @tennistv @eurosport_tennis @SportsCentre7