DETROIT — Cade Cunningham will miss the next three games due to left shin soreness, the Pistons announced Saturday. The second-year guard will not be available for Saturday’s game against the Boston Celtics, Monday’s game against the Toronto Raptors or next week’s games against the Los Angeles Clippers and Los Angeles Lakers. Cunningham was also sidelined during Friday’s loss to the New York Knicks, which means he will miss at least five games because of his latest injury. “We’re being cautious. We’ve had some soreness and the medical team is working with him and treating it,” Pistons coach Dw…