Jackson Blake scores OT winner for Canes to complete series sweep (0:46) Jackson Blake scores OT winner for Canes to complete series sweep. (0:46) Greg Wyshynski May 9, 2026, 09:30 PM ET Close Greg Wyshynski is ESPN's senior NHL writer. PHILADELPHIA -- The Carolina Hurricanes ' brooms are getting a workout during their historic start to the Stanley Cup playoffs. After sweeping the Ottawa Senators in the first round, the Hurricanes completed a second-round sweep of the Philadelphia Flyers on Saturday night with a 3-2 overtime win . It marked the first time that a team has gone undefeated in the first two rounds of the playoffs since the NHL's four-round, seven-game series format was established in 1987. Only one other team in NHL history has swept two seven-game series to start the playoffs: The St. Louis Blues in 1969, when the NHL had a three-round tournament. Carolina became just the fifth team in NHL history to start the playoffs with eight straight wins.…