The Bruins have a tradition. At the conclusion of every practice, one player with a connection to the next opponent leads the stretch.



Before the Bruins played the Sharks last month, Sean Kuraly, drafted by San Jose in 2011, had the honors. On Thursday at Warrior Ice Arena, prior to their flight to Detroit for Friday’s game, Torey Krug, a native of Livonia, Mich., slid to the middle of the ice.



It just so happens that Krug could be a future Red Wing.



These are the facts with Krug, the Bruins, his expiring contract and his next deal:



• The 28-year-old wants to stay in Boston. The Bruins feel the same way.



• Krug commands ownership of the best power-play unit in the league, while growing into a trusted 5-on-5 defenseman alongside Brandon Carlo.



•Krug’s best chance to win his first Stanley Cup is with the Bruins, both this season and in the 2-3 years to follow.



• The Bruins will not trade...