When the crowd booed American tennis player Danielle Collins at the Australian Open, she heckled them right back.

Read what Novak Djokovic had to say about Danielle Collins' controversial action and remarks after her Australian Open ...

Djokovic said he loved "everything" the American said while getting the last word on a hostile Australian Open crowd.

American tennis player Danielle Collins embraced the Australian Open boos after her latest win. But there's more to her heel ...

Count Novak Djokovic as being in Danielle Collins’ corner. He thinks her response to booing fans at the Australian Open was ...