ST. LOUIS — Before Game 6, just about every Bruin had seen the screenshots.



“Winning the Stanley Cup was a dream come true for so many of you,” wrote Blues owner Tom Stillman. “All of us will remember where we were, what we did, and how we felt when the Blues brought the Cup home. Each of us will have a library of memories to pass down for generations. Each of us will forever think of that person in our lives for whom this time meant so much.”



They were words in an ad the Blues purchased in the St. Louis Post-Dispatch. Enterprise Rent-A-Car, the title sponsor of the Blues’ rink, also purchased an ad. They were meant to run after the Blues won the Cup. A technological blunder allowed most of the Bruins, through shares and retweets and forwards, to glimpse what was meant to stay undisclosed.



“Yeah,” Torey Krug said when asked if he had seen the material. “Because it was everywhere.”



The Bruins...