Welcome to the big leagues @kaylaeday! The 17 year old Junior Girls #USOpen champion has gone Pro! "Tennis is something I want to wake up and do every day," she told the @sbindependent. And now you get to! Congrats to you Kayla! Will you be paying close attention to this rising star athlete and wildcard pick at next week's #AusOpen? #USTA _ #USTennis #KaylaDay #Athlete #Tennis