News flash: Highland Park couple John Isner and Madison McKinley are expecting their second baby. So how does the No. 1 men’s tennis player in the U.S. learn the gender of his next child? By showing off the greatest serve in the game, of course. Madison posted the video to Instagram earlier this week. Enjoy.
View this post on InstagramHunter Grace is going to be a big sister!💙 #Isnerpartyof4
A post shared by Madison McKinley Isner🌵 (@madkool13) on