Legendary tennis coach Rick Macci said he considers Serena and Venus Williams as his own daughters and he was glad that he played a part in them becoming all-time greats. Macci, who was one of the first coaches to work with the Williams sisters, also reflected on the King Richard film. “It was incredible because it was one of the best times in my life,” Macci said on Tennis Channel, per Sportskeeda. “I took a big chance, Venus and Serena are like my own daughters. Richard is my best friend.So to see this come out in a movie it was incredible. It brought back so many memories, Richard and I were on a mission that wasn’t going to be denied. Rest is history. “The movie is a masterpiece, it’s so sp …