Boston Bruins head coach Marco Sturm provided a status update on forward Viktor Arvidsson after practice on Thursday.  Sturm stated that Arvidsson is expected to be unavailable for Game 6 against the Sabres on Friday night.  “I don't think so,” said Sturm. “Maybe there's a miracle overnight, but we were planning not to play [him].”  The Skelleftea, Sweden native will miss his second straight game after exiting Game 4 on Sunday with an upper-body injury.  In the series with the Sabres, Arvidsson has scored two goals. Both of his scores came in Game 2 on April 21 which Boston won 4-2 to tie the series at 1.  Arvidsson is in his first season with the Bruins after being traded to Boston by the Edmonton Oilers on July 1, 2025.  In the regular season, he played in 69 games for the Bruins and tallied 25 goals and 29 assists for 54 points as well as boasted a +20 rating.  He had the fourth-most goals, fifth-most assists, fifth-most points, and third-highest rating among the team…