GRAND FORKS — Grand Forks Central coach Grant Paranica knows it usually takes sophomores a few games to get the hang of varsity hockey. Nolan Marto has arrived at that point. ADVERTISEMENT Marto scored a power-play goal to break a 2-2 tie in the third period, added an assist later in the frame and helped give Central a 6-2 win over Grand Forks Red River on Saturday in a packed Purpur Arena. "It was really fun," Marto said after his first rivalry experience. "The boys did a good job of pumping everyone up. We played loose, had fun and got the outcome we wanted." Samuel Presteng, Logan Nielsen, Rylan Spicer, Gavin Wockenfuss and Ryder Rivard also scored for the Knights, while sophomore...