Alexander Zverev beats Diego Schwartzman to claim back-to-back trophies

Alexander Zverev claimed his second ATP indoor title in Cologne in a week on Sunday, as he cruised to a dominant, straight-sets win over Argentine Diego Schwartzman. Zverev had lost two of his previous three meetings with Schwartzman, but was unstoppable on Sunday, dispatching the Argentine 6-2, 6-1 in just one hour and 11...