Kazakhstan’s Yulia Putintseva says Danielle Collins is a character but still very chill off the court and pretty good for hanging out. In Madrid, Putintseva and Collins made their debut as a doubles duo. In their first match together, Putintseva and Collins suffered a straight-set defeat to Karolina Muchova and Karolina Pliskova. After Madrid, Putintseva and Collins also signed up to play doubles in Rome but again picked up a first round exit as on Tuesday they lost to Jelena Ostapenko and Pliskova. “I love her,” Putintseva told WTA insider.”She’s a character. She’s also pretty tough on the cour …