Former Duke star Dereck Lively II announced his mother, Kathy Drysdale, passed away Friday. She was 53. Drysdale – a former Penn State women’s basketball star – was diagnosed with cancer in 2013 and battled the disease for 11 years. She was Lively’s biggest support as he starred at Duke and ultimately went to the Dallas Mavericks as a first-round pick in the 2023 NBA Draft. Lively posted an emotional tribute to his mother on Instagram and reflected on their relationship. “My heart breaks saying goodbye to the most important person in the world to me, my best friend, my superhero, my biggest ch…