Hat-trick seeking Kerber heads Stuttgart field

World ranking leader Angelique Kerber heads an illustrious field boasting eight top-10 players for the 2017 Porsche Grand Prix tennis tournament as she aims to win the home event a third straight year. “Stuttgart is my home tournament. I’m looking forward to the special atmosphere and the fantastic crowd. Winning… for a third time after all the successes would be another career highlight,” Kerber said.