German tennis star Alexander Zverev has called for better pay in smaller sports after being exposed to the realities of many athletes at the Tokyo Olympics. Millionaire Zverev won gold in Japan and was named German male athlete of the year on Sunday. “I hope that lots of sports, like track and field and really physical sports like cycling, can catch up a bit in terms of money,” he said after the ceremony in Baden-Baden. “They deserve it as much as we tennis players do.” His time in the Tokyo Olympic Village in July and August was an eye-opener. “Tennis is a relatively rich sport compared to ma…