Boston Bruins Patrice Bergeron, Brad Marchand and David Pastrnak, "The Perfection Line", signed Alternate Bruins Jersey!!!! Signed during an exclusive, private signing with Your Sports Memorabilia Store. Your Sports Memorabilia Store is the proud, exclusive provider of memorabilia for Brad Marchand and Patrice Bergeron along with dozens of other NHL players!!! Item comes with the exclusive "The Perfection Line" hologram and certificate of authenticity!!!