One night after its nation-best winning streak ended, North Dakota beat Bemidji State 4-2 Saturday in men’s college hockey to extend its unbeaten streak to nine games. UND goalie Zane Gothberg extended his personal unbeaten streak to nine games. He was in net in Friday’s 1-1 tie. Connor Gaarder and Andrew Panzarella scored 55 seconds apart early in the first period to stake UND (12-7-3) to the early lead. Derek Rodwell and Derek Parks extended the lead to 4-2 in the second period and the teams skated to a scoreless tie in the third.