Manchester United are slated to face Leicester City on Saturday and Paul Pogba has been hurled into the furnace by presenter and blogger Richard Keys. Keys was unequivocal in launching a written tirade at Manchester United star Paul Pogba ahead of Leicester City’s trip to Old Trafford on Saturday as he has believed, like many others, that the Frenchman has not lived up to his hype since joining Man United from Juventus in 2016. Keys, suitably angered, did not hesitate to label him a “bang average imposter” in a trademark online rant. City travel to Old Trafford on Saturday afternoon looking to…