BOSTON (AP) — Boston Bruins general manager Don Sweeney is ready to go with a goaltender rotation again next season – “if we can make the math work.” Sweeney said Wednesday his priority this summer is to sign goalie Jeremy Swayman to an extension, preferably avoiding the arbitration process that left the 25-year-old Alaskan embittered last summer. “It’s clearly a priority, and Jeremy knows,” Sweeney said at the end-of-season media availability with the team’s front office. “He’s a big part of our current team and our future.” After serving as the No.