Irving had 15 points and six assists, but shot 6-for-20 and finished a minus-29. Patty Mills was a minus-27. Starters Claxton, Kessler Edwards and James Johnson combined for a grand total of two points on 1-for-14 shooting from the floor. That’s the kind of evening it was for the Nets, for whom rookie Cam Thomas’ career-high 30 was about the only bright spot. “This is one of the worst games I’ve seen all year. This is bad,” one Eastern Conference scout told The Post. “But there’s not much out there.”