WEEI’s Rich Keefe is doubling down on his take that there's a problem between Bruins captain Brad Marchand and David Pastrnak.

An NHL reporter covering the Bruins is refusing to back down today after Brad Marchand denied a rumor that there is a rift between himself and David Pastrnak.

During a recent show, Keefe suggested he had a scoop on what was going on between two of the team’s top stars, David Pastrnak and Brad Marchand. It’s a bit similar to the kind