US Open: 'I was so close to being a Grand Slam champ,' says Alexander Zverev

Alexander Zverev pledged to bounce back from his bitterly disappointing loss in the final of the US Open on Sunday to capture a Grand Slam one day. The 23-year-old German went two sets and a break up in his first Grand Slam final before losing in five sets to Austria's Dominic Thiem.

"I was super close to being a Grand Slam...