The Buffalo Sabres evened their Eastern Conference semifinal series against the Montreal Canadiens at 2-2 following a 3-2 win in Game 4.Zach Benson scored the game-winning goal on his 21st birthday while Ukko-Pekka Luukkonen made 28 saves in his first start of the series.The victor of the upcoming games will advance to face the Carolina Hurricanes in the Eastern Conference final.