PHILADELPHIA — There hasn’t been much change in OG Anunoby’s availability. He is again questionable for the Game 4 clash against the 76ers on Sunday afternoon at Xfinity Mobile Arena, as the Knicks look to close out the series. Anunoby, who has a right hamstring strain, was also questionable for Game 3 but did not play. Coach Mike Brown said Saturday that they still consider Anunoby day to day. OG Anunoby drives to the basket during the fourth quarter of the Knicks’ Game 2 win over the 76ers. Charles Wenzelberg / New York Post Now that they are up 3-0, would that sway the Knicks to be extra cautious and hold him out of Game 4? “Not for me,” Brown said. “It’s all medical related and it starts with [the training staff], the doctors and OG. All I want them to do is tell me when he can play.” Anunoby suffered the injury in Game 2, when he began limping after driving to the basket in the fourth quarter. He stayed in for a few plays, but soon after asked to be subbed, went to the locker room and did not return.…