Ukko-Pekka Luukkonen made 26 saves in his first career shutout and JJ Peterka, Casey Mittelstadt, Tyson Jost, and Rasmus Dahlin scored for the Buffalo Sabres in a 4-0 win over the Colorado Avalanche on Sunday. Colorado closed a three-game trip with consecutive shutout losses, ending a record NHL streak of 15 wins in a row on the road.