Pierre-Hugues Herbert doubts Novak Djokovic will receive a welcome worthy of a world No. 1 after receiving a medical exemption for the Australian Open. On Tuesday, Djokovic announced he was granted a medical exemption and that he would play the Australian Open. Herbert believes Djokovic was given a medical exemption for valid reason but added he was pleasantly surprised because he expected the Serb application to be rejected. “And I would not like to be in his place when getting off the plane because he will not have, I think, a welcome worthy of a world No.1. If he was granted a medical exemption, it was for valid reasons. We were waiting for the verdict. Having lived through the rigors of the Australian Open last year, I thought the answer was go …