The Beijing Ducks stunned the Guangdong Southern Tigers 91-67 in the 10th round of the Chinese Basketball Association (CBA) league on Saturday, taking revenge for last season's quarterfinal defeat to the eventual champions in the pair's first clash of the new season. The victory also snapped Beijing's three-game losing streak. The match was highly anticipated, as the Guangdong-Beijing rivalry has a storied history in finals and playoffs. Last time they met, the post-Stephon Marbury Beijing suffered a 104-103 defeat in the quarterfinal round of the 2020-21 season, only to be eliminated twice by Guangdong in consecutive playoffs by close margins….