Aleksandar Mitrovic, the Championship's leading scorer this season, was among the players back in training at Fulham on MondayPlayers at Championship clubs were allowed to return to training on Monday - the first step towards the potential resumption of the second-tier season.On Friday, the English Football League provided safety protocols and guidance for clubs to follow upon their return.Players took part in non-contact sessions and trained in small groups.A total of 1,014 Championship players and staff were tested for coronavirus towards the end of last week, with two people testing positive.Hull City confirmed on Sunday that the two positive cases…